The primary goal of the centennial accord of 1989 was to force tribal governments to recognize that they had few rights. weaken the concept of tribal sovereignty in washington state. improve relations between washington state and the tribal governments. give the tribes full responsibility for providing services to their citizens.

The correct answer is C). to improve relations between Washington state and the tribal governments.

The Centennial Accord was an attempt to improve relationships between the tribes and the state government. The U.S. government tried to be respectful of tribal sovereignty and its form of government. The purpose was to have annual meetings between tribal representatives and U.S.  authorities to discuss issues in the relationship such as problems, solutions and a permanent progress in the relationship.

The Centennial Accord conceived the “Governor's Office of Indian Affairs” that promoted the culture and history of Indian tribes among government employees.