20 points! can somebody paraphrase this for me? as a master mariner, columbus makes merchant voyages as far as iceland and guinea.

b.   jim crow laws were enacted in northern states.

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: