Why did the Red cloud war happen?

Lakota annexed Crow Indian treaty territory caused Red Cloud's war.

Explanation:

The establishment of three U.S. army forts along the Bozeman trail through Lakota annexed Crow Indian treaty territory caused Red Cloud's war. The Crows fought back against the Indian trespassers by helping the troops in the very same forts that Red Cloud wanted closed.

affirmative action refers to the policies that take gender, race, or ethnicity into account in order to promote equal opportunity.

employers subject to title vii are prohibited from taking race or sex into account in any employment decisions. aa is a penalty for having any job group substantially statistically "underutilized" in any race or either sex. the employer must take steps to eliminate the underutilization, then stop, ending its aa efforts