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Who invented hair relaxer?

Morgan discovered hair relaxer when he was experimenting with a chemical that he used to clean sewing needles in the factory and make them more efficient. By accident, he discovered that the chemical straightened fabric and hair. Morgan went on to invent the gas mask, the traffic signal and the self-extinguishing cigarette.

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Is there an online time line of Deborah Sampson's life?

Deborah Sampson (1760-1827) was a soldier in the American Revolution. As women were not allowed to fight at the time, she disguised herself as a man and called herself Robert Shurtlieff. Her gender was kept a secret for nearly two years, and after she was discovered, she received an honorable discharge from the army. Sampson died in 1827 at the age of 66.

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What were Medgar Evers' accomplishments?

Medgar Evers holds the distinction of being the first Southern-based field secretary of the National Association for the Advancement of Colored People, where he doubled membership in just a few years. He helped integrate the segregated University of Mississippi, where in 1962, along with United States marshals, he accompanied student James Meredith to ensure his safety. Edgars was shot and killed by white supremacist Byron De La Beckwith in 1963.

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What is the history of the Wild West?

The migration west and search for land began due to the need to farm the land for resources and colonize the blooming country. The settlers slaughtered and relocated the American Indian tribes they encountered.\nOne major achievement that developed due to the need to communicate to the newly occupied areas of the country was the establishment of the Pony Express mail delivery system in 1860. This system consisted of a group of men who rode horseback to deliver mail across the country.\nThe first cattle drive from Texas to Kansas through the Chisholm trail took place during this period of time...

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What are some World War II resources for kids?

Scholastic.com features eyewitness interviews, lesson plans, articles and games geared for elementary through high school grades. For example, teachers that take advantage of the "Attack on Pearl Harbor Teacher's Guide" use the resources to provide children information on what led to the attack. The guide also provides accounts of Pearl Harbor witnesses.\nOn the site, children also learn about WWII by building timelines. This activity comes in two groups: one for third through fifth graders and the other for sixth through eighth graders. Junior high and high school students learn about th..

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What were the economic effects of the Reagan administration?

When Ronald Reagan was inaugurated, his first actions included lowering taxes and eliminating regulations in an attempt to jump-start a stagnant economy. This process, often called either Reaganomics or the trickle-down theory, encouraged companies to grow and hire more people.\nReagan was also harshly criticized for actions like the firing of nearly 13,000 striking air traffic controllers and cuts to welfare and other programs for the poor. Though these actions by themselves probably led to lower wages, Reagan also pushed through the Earned Income Tax Credit, a cash benefit for the working po..

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What U.S. President caused the most debt?

The spending budgets submitted by Obama included the economic stimulus package. It added $787 billion by cutting taxes, extending unemployment benefits, and funding job-creating public works projects. Obama increased defense spending to approximately $800 billion per year. The Patient Protection and Affordable Care Act was sponsored by Obama. Part of its purpose was to reduce the U.S. debt by $143 billion during a 10-year time period.

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Which tools and weapons did the Navajos use?

The Navajos employed the use of several tools and weapons:Bows and arrows were used by Native Americans to defend themselves, and sometimes for fishing. They also used them for hunting animals like bison.When fighting against European explorers, Native Americans used spears. Spears were also used for hunting.War clubs were heavy clubs, sometimes featuring a spear on the end. In addition to using them for war, they were used during executions and some ceremonies.Tomahawks were usually used during battles. They were employed during hand-to-hand combat, and were sometimes thrown at enemies across..

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What are the three key technological inventions made in 1997?

In-vitro fertilization made pregnancy possible for women with structural fallopian tube or uterine defects that prevent egg fertilization. The procedure involves removing an egg from the mother's ovaries, manually fertilizing it with sperm and implanting the egg in the mother's uterus.\nMRI imaging gives physicians a clear picture of the body's anatomy and function. The technology offered unprecedented image clarity, which increased physicians' ability to accurately diagnose and stage disease.\nThe inkjet printer put high-quality document and image printing within reach of ..

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What are some famous sayings or quotes from Hippocrates?

Hippocrates was a classical Greek physician that lived between 460 B.C. and 370 B.C. Many refer to him as the "Father of Western Medicine," as many of his teachings were revolutionary in the field of medicine. Hippocrates is generally considered the first person to believe that diseases occur naturally and not because of gods or spirits, which marked a huge shift in medical thought. There are some memorable quotes attributed to Hippocrates from the collection "The Aphorisms of Hippocrates.""We must form a particular judgment of the patient, whether he will support the diet until the acme of th..

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