Was the first african american to receive a doctorate in psychology in the united states, and was the first african american to publish research findings in a major journal.

How did the union blockade of the southern coast affect the confederacy? it forced the confederacy to build new railroads. it contributed to shortages of weapons and food. it encouraged europe to trade with the south. it halted all trade, leaving the south without supplies.

Which of these played the biggest role in increased urbanization in the late 1800s? a) transportation improved b) the military was stronger c) no one was farming anymore d) steam power was discovered

Washington said that the united states would be "friendly and impartial" in regard to foreign conflict. what was his reason behind this statement? a jefferson and washington had determined the u.s. was too weak to wage war. b the u.s. had a treaty with both england and france, and was thus required to remain neutral. c france asked for the united states to stay out of the war, due to trade relationships. d a special envoy from england asked for strict neutrality on behalf of the united states.