Early civilizations changed their natural environments by: A. draining all the water out of large rivers.
B. using slash-and-burn agriculture to help forests grow.
C. using terrace farming to make the soil more fertile.
D. digging canals to control the flow of rivers.

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.

what is the question

discrimination! they faced a lot of racism