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Long before Europeans came to America, there was already a nation. It covered the northeast part of the country. It was called the Confederacy of the Iroquois. The Mohawk, Oneida, Onondaga, Cayuga, and Seneca tribes all belonged to it. They shared what was known as The Great Peace. When the United States began, it as set up much like the Iroquois Confederacy.
The Confederacy of the Iroquois existed long before Europeans came to America.