The main way in which Roosevelt changed the role of the U.S. president during the New Deal is that he became extremely "active" in the US economy and social structure--in that through the New Deal the federal government played an unprecedented role in helping the economy recover from the Great Depression.
Answer:
using savings stampsemploying new technologies
What was the goal of the Selma March? - To get voting rights legislation passed
That would be productivity.
It was the year 1798 that Thomas Malthus predicted that the humanity would be met with mass starvation. His prediction was based on an assumption that human population would far exceed the means of producing food and that we just would not be able to produce enough food for everyone. But the technological advancement and the advanced farming techniques allowed us to increase productivity and thus avert this prediction.
