What court case did Brown v. Board of Education overturn?

Which of the following has the most control over the cases it hears?

a. federal district courts b. trial courts c. state courts of original jurisdiction d. the U.S. Supreme Court

Divided government occurs when ______.

a. one party controls the presidency while the other party controls at least one house of Congress b. the vice president must cast the deciding vote as president of the Senate c. the presidency and the Supreme Court are controlled by different parties d. the three branches of government are unable to work together to solve problems