The first part is A, B and C
The second part is B - (Gen. George Armstrong Custer)

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Explanation:

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation:

the answer is   b. coronado.