In 1914, americans believed that the monroe doctrine encouraged them to follow a policy ofa: frequent warfare. b: trade restrictions. c: moral diplomacy. d: neutrality.

In 1914, americans believed that the monroe doctrine encouraged them to follow a policy of: D. Neutrality

Monroe doctrine was created to oppose european practice of colonialism. But since americans know that make a direct intervention to the colonialism would be resulted in attack from the European, following the policy of neutrality (where we neither intervene or helps) is considered to be the best option.

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.

d) he bring down boss tweed and tammany hall.