They were nomads, which move from place to place, to follow herds of animals such as buffalo to hunt and provide food. They also used the hides as blankets and in ceremonial dressing. They also made stone tools for many purposes, such as a stone arrowhead, used for hunting and defense. Some of these nomads were sophisticated enough to turn this stone into knives and other sharp melee weapons.
Ended the French and Indian War/Seven years war between Great Britain and France. France gave up all its territories in mainland North America, effectively ending any foreign military threat to the British colonies.