The Vietnam War can be considered a "proxy" war in the Cold War. Although the Soviet Union and the United States did not directly go to war, they each supported a different side in the war. The Viet Cong were Vietnamese rebels in the South who fought against the Southern Vietnam government and the United States.
Horses enabled Indians of the plains to travel longer distances, however as Indians met more humans, infectious diseases spread more broadly.
Horses allowed the Indians to be incredibly successful in killing bison's which led to the animal becoming over-hunted. They often decided to compete for food with bison, which led to a replenishment of prairie grass.
Dogs were substituted by Horses after the flourishing Pueblo horse trade as Plains Indians beasts of burden. It greatly benefited the Plains tribes in helping to make the hunters and warriors much more efficient.
People who live in individualist cultures tend to value independence, competition, and personal achievement, while people from collectivist cultures tend to value social harmony, respectfulness, and group needs.
