Native American allies of the French: Mainly the Algonquin tribe, but also the Caughnawaga Mohawk, Lenape, Mi'kmaq, Ojibwa, Ottawa, Shawnee, and Wyandot tribes. Most of France's allies came from the Eastern Woodlands region of America.
British / British America
Native American allies of the British; Mainly the Iroquois tribe, but also the Onondaga, Oneida, Seneca, Tuscarora, Mohawk, Cayuga Nations, Catawba, Cherokee tribes. Most of Britain's allies also came from the Eastern woodlands region of America.
Why Fight? French fur traders from canada wanted to expand into the new found america (what is now the United States) and found out that the British wanted the same land for themselves. And of course there was only enough room for one country.