B. an agreement to boycott all British imports
Answer:
Known as the Cold War, this conflict began as a struggle for control over the conquered areas of Eastern Europe in the late 1940s and continued into the early 1990s. Initially, only the United States possessed atomic weapons, but in 1949 the Soviet Union exploded an atomic bomb and the arms race began.
Explanation:
The answer for this question is: <span>C) Manifest Destiny </span>
Manifest destiny is the attitude that drives American expansion to get as much territory as possible.
This term could be associated with the event because The Mexican american war was started because Mexico rejected American proposal to buy out some of its lands.
Itssssssss c I think have a nicccceeee day