How was the land bridge between Russia and North America important to early man?

The sea between Alaska and Russia is shallow and when water is locked in glacial ice, there was a land bridge. Over the last 100,000 years there were at least 4 times when man and animals could walk from Russia to North America. That is how scientists think people came here.

Explanation:

detente translated to english means politics

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