The correct answers regarding why Native American tribes joined together against the British in Pontiac's Uprising (1763-1766) are:
A: Unlike the French, the British did not maintain trade relations with Native Americans, and refused to sell them the weapons and ammunition they needed to hunt.
B: They wanted revenge on the British Empire for its treatment of their allies, the French.
C: They objected to the British taking over territory that had been ceded by the French, claiming that the French had no right to give away Native American lands.
All three choices reflect motivations that contributed to the uprising.