50: 08
during the cold war, how were the policy of containment and the domino theory related?
the policy of containment the ussr establish a number of buffer zones, or "dominoes."
the us believed that the policy of containment would make it easier for countries to fall to communism like dominoes.
the policy of containment and the domino theory had no direct connection to one another.
the us worried that if communism could not be contained, then countries would fall to it one by one, like dominoes.

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can someone me with this question:  

1) the end of the conflict between the north and the south didn’t just mark the end of a war; it marked the end of an entire way of life.” which statement best describes what this statement means?  

a) the southerners were no longer free and were controlled by the northern states.

b) the industrial economy in the north was not sustainable.

c) slavery became illegal, which changed completely the south’s labor force and the agricultural economy was destroyed.

d) the states decided to relinquish their independence and return to britain’s rule.