Explain the role senator Gerald Nye played in leading Americans down a path of isolationism

Gerald Nye was one of the leading proponent of US isolation after the first world war,

Explanation:

Gerald Nye was the senator from the state of North Dakota from 1925 to 1945 in the US government and in this long winded time of influence he was one of the strongest supporters of isolation of the country after the first world war.

He was the one who was responsible for the study of the economic trade of the first world war and lobbied for the country to be increasingly isolated in the face of an eminent second war.

He was pretty successful until the events of Pearl Harbor when the sentiment turned.