Jonas Salk was an important American medical researcher and virologist, who is mostly known for developing the first successful polio vaccine in 1955.
-Gvcci
The foundation of Jim Crow laws was that the "African Americans are culturally and intellectually inferior to white people."
Answer:
His personal wealth.
Explanation:
Before being elected as the president of United States, Andrew Jackson gained his popularity as a war Hero.
He was known for his contribution in war of 1812. During that time, he personally led 2,000 men to defend New Orleans from Great Britain's effort to occupy the territory.
He was never really known for his achievement in businesses. Most of his supporters perceive him as a masculine & charismatic leader who can defend United States from potential attacks in the future.