The concerns of the nullification crisis were satisfied through a compromise suggested by A.) Henry Clay

B.) Andrew Jackson

The crisis came to an end when Senators Henry Clay of Kentucky and John C. Calhoun of South Carolina developed the Compromise Tariff in 1833 that satisfied enough in the North and South to pass Congress and end the Crisis.

Explanation:

john maynard keynes developed new economic theories in response to the stock market crash of 1929. great depression of the 1930s. first and second world wars. economic boom of the 1950s.

c would be the correct !

hope this !

~bbgluver