Prior to the 1500s, the main scientific view regarding the solar system was that was at the center of the universe.
a. the moon
b. heaven
c. the sun
d. the earth

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

c. free trade can lead to low pay for workers in poorer countries.