What Occurred at the Massacre at Parallel Eleven

Multiple Choice

What occurred at the Massacre at Parallel Eleven?

A) A large Brazilian corporation hired hitmen to try to kill an indigenous group in their way.
B) A large group of indigenous peoples attacked miners who were extracting gold from their lands.
C) Two indigenous groups began to fight over lands that had been allocated to them by the Brazilian government.
D) A group of missionaries entered an indigenous area and killed all the Indians.
E) A group of indigenous peoples killed a group of missionaries and charity workers.