Adam Smith, he was the first to write on the concept of a free market economy, the basis of Capitalism.
Pleasing.. Winning.. attractive..
The Cold War, a "war" of attrition and nuclear build-up between the United States and the Soviet Union, greatly shaped American culture by the people's emphasis on space and science to beat out the Soviets.
In WW1 soldiers faced a lot of threats in the trenches , the worst would be disease