The size of the U.S.Supreme Court is set by

A) the president.
B) Congress.
C) the American Bar Association.
D) state legislatures.

U.S. Supreme Court

The highest federal court in the United States, with ultimate appellate jurisdiction over all federal and state court cases that involve a point of federal law.

Congress

The legislative body of a country, often bicameral, responsible for making laws, deciding on the national budget, and overseeing the government.

American Bar Association

The American Bar Association is a voluntary bar association of lawyers and law students which is not specific to any jurisdiction in the United States and is involved in setting academic standards for law schools and formulating ethical codes in the legal profession.