How did president roosevelt change the role of the federal government during his first hundred days?

President Franklin D. Roosevelt changed the role of Federal Government during his first hundred days in office through the enactment of New deal's triple R (Reform, Relief, Recovery).

Explanation:

The government in 1933, enacted a series of programs, public work projects, financial reforms and regulations.

It provides support for farmers, unemployed youths and elderly citizens. It also enhanced recovery from "Great Depression". The new deal included new constraints and safeguards on banking industry and efforts to re-inflate the economy after prices had fallen sharply. This new deal's law was passed by Congress as well as presidential executive orders. However, some of the aspects of new deal were declared unconstitutional by the supreme court.