How did court cases like Mendez v. Westminster School District and Delgado v. Bastrop Independent School District contribute to the fight for Mexican American rights? O A. They decided that Mexican Americans had the right to pull their children out of high school. B. They found that states were discriminating against Mexican Americans by redrawing districts to weaken their voting power. O C. They found that Mexican Americans were being discriminated against by being forced into separate schools. D. They decided that all racial minorities, including Mexican Americans, were guaranteed equal protection under the Fourteenth Amendment.​