Which of the following statement explains why the congo river is an important location for economic activity in central Africa

What effect did john hay’s open door policy letters have on the imperial powers of britain, france, germany, russia, and japan? a. it provoked the imperial powers to declare war on the united states. b. it caused the imperial powers to restrict trade in their trade with china. c. it warned the imperial powers that the united states would soon declare war on china. d. it signaled to those powers that the united states would take a larger role in world affairs than before.

Was the first african american to be appointed to the u.s. supreme court.

How did the results of wwi benefit the u.s.?