Category Reviews

Socialism vs. Capitalism: What Is the Difference?
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Socialism vs. Capitalism: What Is the Difference?

Socialism and capitalism are the two main economic systems used in developed countries today. The main difference between capitalism and socialism is the extent to which the government controls the economy. Key Takeaways: Socialism vs. Capitalism Socialism is an economic and political system under which the means of production are publicly owned.

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The History of Gravity

One of the most pervasive behaviors that we experience, it's no wonder that even the earliest scientists tried to understand why objects fall toward the ground. The Greek philosopher Aristotle gave one of the earliest and most comprehensive attempts at a scientific explanation of this behavior by putting forth the idea that objects moved toward their "natural place.
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How to Prepare Carbon Dioxide Gas

These are instructions for preparing carbon dioxide gas (CO 2 ) from calcium carbonate and hydrochloric acid. Carbon Dioxide Reactants Only two materials are needed to make carbon dioxide: calcium carbonate (marble chips) 5M hydrochloric acid Carbon Dioxide Gas Preparation Add 5M hydrochloric acid to 5g-10g marble chips.
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Amerigo Vespucci, Italian Explorer and Cartographer

Amerigo Vespucci (March 9, 1454-February 22, 1512) was an Italian explorer and cartographer. In the early 16th century, he showed that the New World was not part of Asia but was, in fact, its own distinct area. The Americas take their name from the Latin form of "Amerigo." Fast Facts: Amerigo Vespucci Known For: Vespucci's expeditions led him to the realization that the New World was distinct from Asia; the Americas were named after him.
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Death as a Theme in Hamlet

Death permeates "Hamlet" right from the opening scene of the play, where the ghost of Hamlet's father introduces the idea of death and its consequences. The ghost represents a disruption to the accepted social order - a theme also reflected in the volatile socio-political state of Denmark and Hamlet's own indecision.
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About Semiramis or Sammu-Ramat

Shamshi-Adad V ruled in the 9th century BCE, and his wife was named Shammuramat (in Akkadian). She was a regent after her husband's death for their son Adad-nirari III for several years. At the time, the Assyrian Empire was considerably smaller than it was when later historians wrote of her. The legends of Semiramis (Sammu-Ramat or Shammuramat) are likely embellishments on that history.
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A Brief Introduction to Gothic Literature

The term Gothic originates with the architecture created by the Germanic Goth tribes that was later expanded to include most medieval architecture. Ornate, intricate, and heavy-handed, this style of architecture proved to be the ideal backdrop for both the physical and the psychological settings in a new literary genre, one that concerned itself with elaborate tales of mystery, suspense, and superstition.
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'To Kill a Mockingbird' Characters

Harper Lee's To Kill a Mockingbird is a tremendous literary achievement, combining a subtlety of voice with a setting and characters rendered with consummate skill. From a young girl imbued with her older self's perspectives to the inner life of a servant, Lee makes choices with her characters that add impact to the plot's events and realism to the setting.
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How to Find the Taurus Constellation

The constellation Taurus is visible for skygazers beginning in late October and early November. It's one of the few constellations that looks somewhat similar to its name, even though it's a stick figure. It contains a number of fascinating stars and other objects to explore. Look for Taurus in the sky along the ecliptic, near the constellations Orion and Aries.
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'The Alchemist' Summary

The Alchemist is a novel written in two parts and an epilogue. It revolves around an Andalusian shepherd named Santiago and his quest for his own Personal Legend, which takes him from his village to the pyramids of Egypt. In his travels he meets a series of characters who either directly help him or teach him a valuable lesson by example.
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'Death of a Salesman' Themes and Symbols

The main themes and symbols of Death of a Salesman include family relationships and, at large, the shortcomings of the American dream and all of its consequences, namely the financial well-being that can afford people certain luxuries. The American Dream The American dream, which assumes that anyone can achieve financial success and material comfort, lies at the heart of Death of a Salesman .
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10 Potassium Facts

Potassium is a light metallic element that forms many important compounds and is essential for human nutrition. Here are 10 fun and interesting potassium facts. Fast Facts: Potassium Element Name: Potassium Element Symbol: K Atomic Number: 19 Atomic Weight: 39.0983 Classification: Alkali Metal Appearance: Potassium is a solid, silvery-gray metal at room temperature.
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A Profile in Composition

A profile is a biographical essay, usually developed through a combination of anecdote, interview, incident, and description. James McGuinness, a staff member at The New Yorker magazine in the 1920s, suggested the term profile (from the Latin, "to draw a line") to the magazine's editor, Harold Ross.
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What Is Digression?

Digression is the act of departing from the main subject in speech or writing to discuss an apparently unrelated topic. In classical rhetoric, digression was often considered one of the divisions of an argument or the parts of a speech. In A Dictionary of Literary Devices (1991), Bernard Dupriez notes that digression "does not particularly make for clarity.
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What Is a Volumetric Flask?

A volumetric flask is a piece of laboratory glassware that is used to prepare and measure chemical solutions. It is used to make up a solution to a known volume. Volumetric flasks measure volumes much more precisely than beakers and Erlenmeyer flasks. How to Recognize a Volumetric Flask A volumetric flask is characterized by a bulb and a long neck.
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A Guide to All Types of Narration, With Examples

In writing or speech, narration is the process of recounting a sequence of events, real or imagined. It's also called storytelling. Aristotle's term for narration was prothesis . The person who recounts the events is called a narrator. Stories can have reliable or unreliable narrators. For example, if a story is being told by someone insane, lying, or deluded, such as in Edgar Allen Poe's "The Tell-Tale Heart," that narrator would be deemed unreliable.
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What Does Proof Beyond a Reasonable Doubt Mean?

In the United States court system, the fair and impartial delivery of justice is based on two fundamental tenets: That all persons accused of crimes are considered to be innocent until proven guilty, and that their guilt must be proven “beyond a reasonable doubt.” While the requirement that guilt must be proven beyond a reasonable doubt is meant to protect the rights of Americans charged with crimes, it often leaves juries with the momentous task of answering the often subjective question - how much doubt is “reasonable doubt?
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5 Classic and Heartbreaking Slave Narratives

Slave narratives became an important form of literary expression before the Civil War, when about 65 memoirs by former slaves were published as books or pamphlets. The stories told by former slaves helped to stir public opinion against slavery. The Most Interesting Slave Narratives The prominent abolitionist Frederick Douglass first gained widespread public attention with the publication of his own classic slave narrative in the 1840s.
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Biography of Gregorio Zara, Inventor of the Videophone

Gregorio Zara (March 8, 1902-October 15, 1978) was a Filipino scientist best known as the inventor of the videophone, the first two-way electronic video communicator, in 1955. All told, he patented 30 devices. His other inventions ranged from an alcohol-powered airplane engine to a solar-powered water heater and stove.
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Antebellum: John Brown's Raid on Harpers Ferry

Conflict & Dates: John Brown's raid on Harpers Ferry lasted from October 16-18, 1859, and contributed to the sectional tensions that led to the Civil War (1861-1865). Forces & Commanders United States Lieutenant Colonel Robert E. Lee 88 US Marines, various local Maryland & Virginia militia Brown's Raiders John Brown 21 men Harpers Ferry Raid Background: A noted radical abolitionist, John Brown came to national prominence during the "Bleeding Kansas" crisis of the mid-1850s.
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The Sewing Machine and the Textile Revolution

Before the invention of the sewing machine, most sewing was done by individuals in their homes. However, many people offered services as tailors or seamstresses in small shops where wages were very low. Thomas Hood's ballad The Song of the Shirt , published in 1843, depicts the hardships of the English seamstress: "With fingers weary and worn, With eyelids heavy and red, A woman sat in unwomanly rags, Plying her needle and thread.
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