In an effort to relieve the caseload burden in the Supreme Court and to handle a dramatic increase in federal filings, Congress, in the Judiciary Act of 1891, established nine courts of appeals, one for each judicial circuit.
The spread of Islam changed many countries. The religion quickly spread and many countries of power classified themselves as Muslim countries. This united the countries in a religious manner and all of the Muslim countries were led and ruled by a khalifah. The united rule helped Muslims achieve victory over battles that would change the face of the Earth.
Actually, the categories what are included as the exclusive powers of the Federal Government include those that are expressed or enumerated, implied power, and inherent power, except for RESERVED POWER. This is the kind of power which is the opposite of expressed power. Hope this answer helps.