The main way in which the US became a world power while Roosevelt was president was that they entered World War II, which led the US to begin manufacturing war materials at a rapid pace--leading to a sudden and sharp rise in employment and GDP.
The sixteenth President of the United States was Abraham Lincoln.
The Dawes Act was introduced by Congressman Henry Dawes of Massachusetts. The idea behind that law was that Indian tribes would be broken up and those who chose to leave their tribes would be granted United States citizenship.
Hope I helped I didn't plagiarism or copy any thing word for word i typed it out
