Which nations were included in the so-called "Big Four" at the peace negotiations that followed World War I?

The big four are: Britain, France, US, and Italy

Explanation:

France, Great Britain, Italy, United States

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

i think it was   tsar alexander ii