One factor that caused european nations to become increasingly jealous, while increasing their borders was a) unified kingdoms. b) rising nationalism. c) agricultural revolution. d) the spread of the roman catholic church.

its B) rising nationalism

first paragraph (and busy all the night ,with a silence deep and white )

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: