In world war 2 computers were invented to help with aircrafts and other things. They were about the size of a whole room and now are very much faster and smaller.
Answer: Ohio played a major role in leading escaped slaves from lives of captivity to their dreams of freedom. The Underground Railroad, a legendary path to freedom used by thousands of runaway slaves, was an intricate system designed to reach northern destinations where many slaves found it possible to avoid recapture.
<span>We are not sure if where civilization started.
It’s a region called The Fertile Crescent, and it makes a crescent shape
starting from North Africa and then following the Nile River and the
Mediterranean Sea, then moving East to encompass the great rivers Tigris and
Euphrates.</span>
