Prior to the 20th century, the largest intercontinental migration of people in history was Atlantic slave trade. It <span>was the biggest deportation in history and a determining factor in the world economy of the 18th century. Millions of Africans were torn from their homes, deported to the American continent and sold as </span>slaves<span>. </span>
The <em>incas</em> Took in some parts of the present day Ecuador, Peru, Chile, Bolivia, and Argentina
<span>Kepler's laws of motion helped overturn the earlier Aristotelian astronomical system which believed that the sun and planets revolved around the Earth. In order for the older system to work, a complicated mechanism known as "epicycles" was required to make the visible motions match the theory.</span>
Answer:
truman doctrine is the principle that the US should give support to countries or people's threatened by Soviet forces or Communist insurrection. The invasion of South Korea made Truman genuinely fearful that the Soviet union and China intended to expand the sphere of communism throughout Asia.
