Final answer:
The two-row wampum belt is made up of two parallel rows of purple and white beads from shells, used by Northeastern indigenous groups.
Step-by-step explanation:
The two-row wampum belt consists of c. Two parallel rows of purple and white beads. These bead rows are made from shells and were historically used by the indigenous peoples of the Northeast to record important events and formalize agreements. Wampum belts were highly valued and served as a medium of exchange, ceremonial offerings, and even adorned clothing.