What was the Iroqois inventions?

The Iroquois, a confederation of Native American tribes, were known for several significant inventions and contributions. They developed the longhouse, a communal dwelling designed for large families, and were skilled in agriculture, notably cultivating the "Three Sisters" crops: corn, beans, and squash. Additionally, they created intricate wampum belts, which were used for recording important events and treaties. Their political system, exemplified by the Great Law of Peace, also influenced democratic principles.