Each guard was given own whistle and club, and each prisoner was referred to by an ID number.

their

Explanation:

Each guard was given their own whistle and club, and each prisoner was referred to by an ID number.

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The correct option is 4. It formed an alliance between the Five Nations.

Explanation:

The Iroquois Constitution, also known as the Great Law of Peace,  was an oral constitution at first. It established the formation of the Iroquois Confederacy, initially with five Iroquois nations, later on with six: Mohawk, Onondaga, Seneca, Cayuga, Oneida, and the Tuscarora, who joined the Confederacy last, but had belonged to the Iroquois nations in earlier times. Some historians claim that the democratic ideals of the Iroquois Constitution served as inspiration to framers of the U.S. Constitution.