The solution to america's economic woes was on the horizon in the form of: the new deal natural consequences hoover's original plan world war ii

World War II

Explanation:

The initial plan used to rebuild the US economy after the Great Depression was the New Deal.

It included new restrictions on the banking industry and there were efforts to re-inflate prices that were at a very low point.

By the late 30's the US economy had recovered somewhat. However, it only reached full employment when the US entered the World War II after the Pearl Harbor bombings.

So the correct answer is:

World War II