Which event was responsible for America’s trade with central powers dwindling and their trade with allied powers growing ? A) The convoy system helped protect American ships carrying supplies to Germany
B) submarine warfare made it difficult to ship goods safely to the Central Powers
C) The United States boycotted Germany after it invaded neutral Belgium
D) The British naval blockade of the North Sea cut off American trade to the Central Powers

architecture i think.

i hope this !

according to the report, the government has imposed restrictions on freedom of speech, freedom of the press, freedom of assembly, and freedom of association. the official media remained tightly controlled by government censorship and obstruction. restrictions on the freedom to assemble remain a problem in vietnam.

explanation:

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.

d. china

good luck

d is the best choice