What Was the Purpose of the "Reserved Powers" Amendment, or Tenth

Multiple Choice

What was the purpose of the "reserved powers" Amendment, or Tenth Amendment, to the American Constitution?

A) All powers not explicitly granted to the federal government in the Constitution were intended to remain with the states .
B) All powers not explicitly granted to the states in the Constitution were to remain with the federal government .
C) The states and the federal government must decide upon each individual power and determine where it should lay .
D) The federal government would decide what level of government was granted any new powers .
E) The federal government would reserve the right to revoke any powers from the states at any time .