Affirmative action refers to activities or policies that seek to help groups that are often affected by discrimination obtain equal access to opportunities, particularly in areas such as employment and education. In the United States, in the early 2000s, the use of race, gender, and other factors in college and university admissions decisions came under attack.
The University of Michigan was sued several times by students who felt they were denied admittance because they were white, and the idea of eliminating measures that provided women, minorities, and others with preferential treatment gained momentum. In 2006, voters approved Proposal 2—also called the Michigan Civil Rights Initiative—which "amend[ed] the Michigan Constitution to ban public institutions from discriminating against or giving preferential treatment to groups or individuals based on their race, gender, color, ethnicity, or national origin in public education, public employment, or public contracting". As a result, the university was prohibited from considering race as part of its holistic admissions process. Minority enrollment decreased, and the university was forced to develop alternative strategies to increase diversity among its student population.