Answer: a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
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The earliest cities of the Indus River Valley civilization were designed in a grid. in a circular pattern. with protective walls.
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There is a lot of debate about how much war and medicine have influenced each other. Sometimes war adds to medical knowledge by drawing attention to a particular injury, such as the loss of a limb. Military medicine has also influenced how medicine is done. But sometimes innovations in military medicine result in better ways to treat an injury or advance fields of medicine, such as plastic surgery, psychiatry and emergency medicine. Triage, the system of prioritising multiple casualties, has been adopted for all emergency medicine ever since the First World War.
For some people, the physical and mental damage caused by war lasts a lifetime. Medical teams have had to develop methods to help them adjust to living with disability and illness. The young men who signed up to fight in 1914 had little preparation or support for dealing with the stress and trauma of modern warfare. Some refused to fight and were mistakenly accused of cowardice. During the First World War, 309 British soldiers were executed, many of whom are now believed to have had mental health conditions at the time.
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Answer: Out of the roughly 20 million who were taken from their homes and sold into slavery, half didn't complete the journey to the African coast, most of those dying along the way. And the worst was yet to come. The captives were about to embark on the infamous Middle Passage, so called because it was the middle leg of a three-part voyage -- a voyage that began and ended in Europe. The first leg of the voyage carried a cargo that often included iron, cloth, brandy, firearms, and gunpowder. Upon landing on Africa's "slave coast," the cargo was exchanged for Africans. Fully loaded with its human cargo, the ship set sail for the Americas, where the slaves were exchanged for sugar, tobacco, or some other product. The final leg brought the ship back to Europe. The African slave boarding the ship had no idea what lay ahead. Africans who had made the Middle Passage to the plantations of the New World did not return to their homeland to tell what happened to those people who suddenly disappeared. Sometimes the captured Africans were told by the white men on the ships that they were to work in the fields. But this was difficult to believe, since, from the African experience, tending crops took so little time and didn't require many hands. So what were they to believe? More than a few thought that the Europeans were cannibals. Olaudah Equiano, an African captured as a boy who later wrote an autobiography, recalled
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The now U.S. was controled by the English.
