In which court case was a quota system used as an affirmative action plan ruled unconstitutional?
a. university of california v. bakke
b. green v county school board
c. brown v. board of education
d. swann v. charlotte-mecklenburg

The court case that was a quota system used as an affirmative action plan and was ruled unconstitutional was the university of California v. Bakke. The correct answer is A. 

They made a checks and balance system to equal power within the branches. the "check" meant that one branch would watch one branch and "balance" them if they were too powerful. if you want more info on this, i would just google checks and balance system.