When humans migrated out of Africa and reached as far as the Americas, what was one big advantage of
moving along coastlines?

What event started the space race and made americans feel their security was threatened a.) alan shepard's suborbital flight. b.) the launch of sputnik c.) the launch of explorer d.) the cuban missle crisis

Describe the first sit-in and its impact on the civil rights movement.

French & indian war affect the american colonies