Why did the united states remain for so long before entering WW1?

When war broke out in Europe in 1914 President Wilson declared that the United States would follow a strict policy of neutrality. Put simply the United States did not concern itself with events and alliances in Europe and thus stayed out of the war.

Explanation:

in 550 b.c.e. cyrus the great, the leader of the persians, conquered the medes and united the iranian people under one ruler for the first time. cyrus became the first king of the persian empire and went on to establish one of the largest empires in world.

answer; /// i do believe that the correct answer is (a); a farming tribe that settled primarily along the mississippi and arkansas rivers;