Decreasing nationalism is the answer.
Some groups in South America continued to live as nomads after the development of agriculture because their traditions and knowledge were very important and they didn't want to lose them. They wanted to preserve their lifestyle and values.
Nomads are people who live in communities that move from place to place, instead of settling down in only one location. There are three different types of nomads: pastoral nomads, hunter-gatherers, and peripatetic nomads.
B) helped create the strong, individualistic American spirit
The goal was to slowly withdraw American forces from Vietnam by training South Vietnamese forces to handle the responsibility of fighting the Communistic North Vietnam. It was used as a response to the anti-war protests made by many Americans.
