57:33 Under Khrushchev, how did the USSR proceed in the arms race with the US? They developed new and powerful weapons. They used weapons to invade other countries. They attacked dissenters with advanced weapons. They manufactured more weapons than other countries.

the answer is b. hope this !

this act gave the federal government the power to relocate any native in the east to territory west of the mississippi river.

john maynrd keynes developed new economic respose to the                           ( b. great depression if the 1930's)