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What three principles of heredity did Mendel discover?

Mendel was a Central European monk who published his ideas on genetics in 1866, but did not receive recognition until 1900 after his death. He taught high school mathematics, Greek and physics in the Czech Republic, which was Brno at the time, as well as performing his own genetics research.Mendel performed his research with plants when studying genetics. Since heredity is the same across species, Mendel's results were able to be applied to both animals and humans. Mendel performed his experiments on common garden pea plants because they were easy to grow in large numbers and he could man..

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Why did the Great Depression happen?

During the stock market crash of 1929, the United States federal government cut the supply of money by one-third, which inevitably restricted any hope for a recovery. Analysts believe the government wanted to send a message to financial institutions that was supposed to make them more responsible. Instead of accomplishing that, the government sent the country into a deep depression that it struggled to come out of.The day the stock market crashed is known as "Black Thursday." After that day, the depression quickly worsened. By 1933, unemployment rose to 15 million people, 40 percent of all the..

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When was Rhode Island founded?

Williams believed in religious tolerance, which was in direct contradiction with the beliefs of others in Massachusetts. Williams named the city of Providence after the phrase "God's merciful providence." The land Williams acquired was purchased from the Narragansett Indians.\nThe first seal of Rhode Island was created in 1664. It featured the word "hope" over an anchor. In the first census taken in 1708, Rhode Island had 7,181 people.

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What are some important facts of the New and Old Stone Ages?

The Stone Age was named such because it was the time period in history when humans began crafting tools from stone. At first, tools were simple and fulfilled basic needs relating to food and shelter. This practice soon evolved into making hunting weapons. One of the most important technologies of the Stone Age was flaking, which is the process of banging a hammer stone against an object to create sharp edges. This was used to make and sharpen arrow heads and spears. Old Stone Age humans were typically nomadic, moving frequently and living in temporary homes, based on hunting and gathering cond..

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When was popcorn invented?

When Europeans first came to the New World, they found that popcorn played an important role in Aztec ceremonies, as well as in their diet. Popcorn became a very popular snack during the 1800s after advances in agricultural technology made it possible to cultivate it in the American South and Midwest. It was during this time the name "popcorn" was coined.

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What are some facts about the Revolutionary War?

The colonies of America decided to break away as an independent country due to the unfair taxation pressed on them by the British. The war pitted the U.S. allied with France against the British. The war started out with protests, such as the Boston Tea Party, and ended in full-scale battles, like those in Lexington and Concord in Massachusetts. The American colonies set up a congress that wrote a letter to the king explaining their desire for independence, which was taken as an official declaration of war by the British.Due to the British losses, support for the war quickly fell among the citi..

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Why were totem poles invented?

Totem poles evolved from smaller forms of symbolic art. The practice of creating totem poles spread in the 19th century with the advent of metal carving tools. The cedar or spruce poles ranged from 10 feet to more than 80 feet, but some newer poles are more than 100 feet tall. Natural powders such as cinnabar or charcoal mixed with salmon eggs were used to color many poles.\nTotem poles are found across much of southern Alaska, western Canada and Washington. Mortuary totem poles displayed the carving of the person being memorialized, and they often included a compartment with their ashes. Cres..

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How did the Great Awakening affect the Colonies?

The Great Awakening was an evangelical movement that had a significant impact on American Protestantism. Its peak period was between the 1730s and 1740s, and it offered people a deep sense of spiritual conviction and redemption by preaching that made faith an intensely personal matter. The Great Awakening was the result of a spiritual dryness among Protestant believers in the Colonies.One of the biggest effects of the Great Awakening on the Colonies was the way it prepared the people for the War of Independence. The Awakening made the colonists realize that they could have the religious power ..

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How long did the Battle of Vicksburg last?

After initially attacking the city, Grant was dissatisfied with the loss of life and laid siege to Vicksburg in an effort to prevent more death. With the surrender of Vicksburg, the Confederate army was split, and the Mississippi River was under the control of the Union, which historians consider a turning point in the Civil War.

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What is the War of the Spanish Succession?

King Charles II of Spain died in 1700 without an heir but left the throne of Spain to Philip of Anjou in his will. Austria, to counter this, created the Grand Alliance of England, Holland, Prussia and Austria. Eventually the allies of Austria realized that if Archduke Charles, who succeeded to the throne of Austria in 1711, also took the throne of Spain it would cause a great imbalance of power in Europe. They encouraged King Louis XIV of France to sue for peace, and he gained favorable terms in the 1713 Treaty of Utrecht. Prince Philip was allowed to take the Spanish throne provided France ag..

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