Where does congress derive authority for its so called “implied powers”?

the mongolian invasion of china and central asia resulted in a disruption of the silk road as the chinese garrisons lost support from the chinese kingdoms which fell under the mongols. however, as the mongols established a formal dynasty in china, the successors of genghis khan restored the garrisons along the silk road allowing the safe travel caravans again.

answer is 1935

because gandhi led a march the sea in 1930 and 5 years later he did it again

all

explanation:

d) iowa i believe is the answer