The fundamental difference between hoover and roosevelt was what? a)roosevelt believed government had a responsibility to citizens out of the great depression; hoover believed it was the private sector's responsibility. b)hoover believed it was the government's responsibility to assist citizens out of the great depression; whereas, roosevelt felt the private sector would be more qualified to . c) roosevelt believed the economy would eventually recover on its own. d)hoover believed government-sponsored social programs would great the opportunity for great wealth.