The Difference Between a Mandate and a Condition of Aid

The difference between a mandate and a condition of aid is that

A) with a mandate the federal government tells a state government what it must do if it wants grant money.
B) a mandate applies to a block grant; a condition of aid applies to a categorical grant.
C) a mandate applies to a categorical grant; a condition of aid applies to a block grant.
D) with a mandate the federal government allows the state to do as it pleases if its actions are in accordance with federal law.
E) with a mandate it makes no difference who is paying the costs of a program.