Which of the Following Statements About National Grants Is True

Which of the following statements about national grants is true?

A) To supply state and local governments with revenue is the most important purpose of national grants.
B) The purpose of national grants is to maximize the growth of national agencies.
C) National grants establish maximum national standards for such things as highways and clean air.
D) The four types of national grants are always combined within a single program area.
E) The national government often mixes and matches the grant types to accomplish its goals.