The most effective and long-lasting New Deal programs that were effective were the Agricultural Adjustment Act, which increased the price of food, and the Public Works Administration, which put people back to work restoring American infrastructure.
Mao Tse Tung (Zedong ) and his Red Guard killed and incarcerated tens of thousands of people during this revolution in the 1960s :
( D ) The Cultural Revolution
Walter Reed's research in yellow fever determined that yellow fever is transmitted by certain mosquitoes. This research was the forerunner of epidemiological research. Walter Reed was known for his strong values and compassion. Those traits were applied to humanitarianism activities in medical care.
The most basic legal distinction for Roman women (and men) was free vs slave