Which development had the greatest impact on the lifestyle of the prehistoric cultures?

Analyze why south america is a place of ethnic diversity.

If you had been an american colonist, would you have supported the declaration of independence? why or why not?

Which statement best explains how world war ii to end the great depression? a. new job opportunities opened as the united states produced more military products. b. the u.s. army provided new jobs that paid better than any other work at the time. c. people had to worry more about war problems than about the economic crisis. d. the war caused people to trust the economy enough to spend more money.