American navy officer John Paul Jones became famous during the war for

for the points : )

explanation:

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.

a historian is attempting to study how the puritans affected society in new england

i think the answer is   b.