what was the name of the policy that would allow settlers in the new territories to vote for or against slavery?

The Kansas

Explanation:

The Kansas–Nebraska Act of 1854 called for popular sovereignty, requiring that the decision about slavery be made by the territory's settlers (rather than outsiders) and decided by a popular vote.

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

it was justfied as english were being brutal to the colonist and they needed to be stopped therfor causing a war but the moral over that is yes it was justifed