WILL GIVE BRAINLIEST GOOD ANSWERS PLZ One of the main reasons that the United States enters a war is?

A. oil supplies are cut off from America
B. the death of Americans when the ocean liner Lusitania is sunk
C. the bombing of New York
D. the sinking of the Titanic

b

Explanation:

answer; i believe the two groups were irish immigrants and chinese immigrants;

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: