The Iroquois Confederacy is a North American confederation of indigenous peoples, initially comprising the Mohawk, Oneida, Onondaga, Cayuga, and Seneca. A sixth tribe, the Tuscarora, joined later. The league was formed for both defense purposes and to prevent intertribal conflict. Although frequently referred to as the Iroquois, the nations refer to themselves collectively as Haudenosaunee, which means “people of the longhouse.” The league’s formation is said to have coincided with what event? Discuss