How did the Columbian Exchange affect farming in the Americas? A. New crop varieties took the place of traditional crops..
B. Less land was needed to grow food for the population.
C. Food from other lands caused Americans to stop farming.
D. Foreign animals were mixed with native animals to create new breeds.

a, new crop varieties took the place of traditional crops.

Explanation:

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