What courts were established by the constitution

Established by the Constitution

In its present form, the federal judiciary is comprised of three main tiers of courts: 94 district courts, 13 courts of appeals, and the United States Supreme Court.

Explanation:

In its present form, the federal judiciary is comprised of three main tiers of courts: 94 district courts, 13 courts of appeals, and the United States Supreme Court.

Explanation:

what events in mexico's history might explain why the country continues to have difficulty improving social justice and economic opportunities for all people?