The Northeast did not agree with the Mexican War.
It raised income maybe relating to economy ...
D) continued into the 2010s
Transformed or changed from one form to another.
Answer:
In 1949, the prospect of further Communist expansion prompted the United States and 11 other Western nations to form the North Atlantic Treaty Organization . The Soviet Union and its affiliated Communist nations in Eastern Europe founded a rival alliance, the Warsaw Pact, in 1955.