The correct answer is A) Native Americans should cooperate with and work alongside whites.
The option that describes a belief shared by both Quanah Parker and Chief Seattle was "Native Americans should cooperate with and work alongside whites."
As a leader of the Suquamish and Duwamish Indian tribes, Chief Seattle had the option to go to war to stop the white European wishes to settled land that belonged to the Native American tribes. But he decided to talk, cooperate, and work with the white European colonists. An opinion that was shared by Quanah Parker, leader of the Quahadi-Comanche nation.