1) The French established colonies in northern North America in the 16th century to trade furs and fish with local Native American tribes. They formed codependent relationships where the French relied on the Natives for hunting and the Natives relied on the French for goods.
2) Tensions arose between the French-allied northern tribes and the Iroquois tribes to the south. The fur trade began to change Native culture and overhunting depleted beaver populations.
3) The French expanded further inland, establishing trading posts like Quebec. Natives wanted help in wars in exchange for supporting the new settlements. Firearms became a major trade good, increasing Native power.