[Answer] How many tribes made up the original Iroquois Confederacy?

Step 1 : Introduction to the question "How many tribes made up the original Iroquois Confederacy?"

...The Iroquois Confederacy was a league of five nations, or tribes, living across what is now upper New York state during the 17th and 18th centuries. The Iroquois League, as it was also known, played a pivotal role in the fighting between the French and the British as they each tried to master North America. The Iroquois Confederacy saw a sixth nation join in 1722, bringing the total to six cooperative nations. The five original tribes were the Mohawk, the Seneca, the Onondaga, the Oneida and the Cayuga. The Tuscarora joined in 1722. Source: Britannica. com

[Answer] In the Iroquois Constitution, what does the Tree of Great Peace represent?

Step 1 : Introduction to the question "In the Iroquois Constitution, what does the Tree of Great Peace represent?"

...The Five Nations of the Iroquois people see their Tree of Great Peace as a symbol of unity. The Tree's place in the Iroquois Constitution represents the permanence of this bond. The Creator of Iroquois tradition sent a Peacemaker to the Iroquois Nations to convince them to stop fighting. Tradition teaches the Peacemaker convinced the nations to lay down their weapons, then chose a tall tree with needles on the branches that grew in clusters of five. This became the Iroquois Nations' symbol of unity. Source: Reference.com