America’s economy grew at a vigorous pace in the 1950s thanks to:

A.
historically low tax rates on wealthy Americans

B.
historically low levels of unionization and wage growth among American workers

C.
America’s relative advantage versus other potential competitors such as Germany and Japan in terms of intact infrastructure, technical innovation, intact finances, and global influence over world economic policy

D.
historically low corporate profit rates

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

cuba is a multi-ethnic nation

the constitution gives congress the power to regulate commerce "among" the several states.