Why are the Iroquois know by several different names?

Originally they were formed by five tribes: the Cayuga, Onondaga, Mohawk, Seneca, and Oneida. Later, in the 1700s, the Tuscarora tribe joined. The French named them the Iroquois, but they called themselves the Haudenosaunee which means People of the Longhouse. The British called them the Five Nations.

The French named them the Iroquois, but they called themselves the Haudenosaunee. The British called them the Five Nations.

aa dikha du tujhe mera wala dance

nations must cooperate to bring about and maintain world peace.

nations must not wage wars or commit war crimes in a desire to control other nations.

i think i know which options you have but if these aren't options let me know