What was a main advantage of the three-field system?
crops matured at different times.
new types of crops could be grown.
extra food reduced the chance of famine.
multiple harvests became commonplace.

The answer is C.

Explanation:

The three-field system created a significant surplus of food.

the answer is selfishly. hope this !

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