In the Case of Buckley V

In the case of Buckley v. Valeo, interest groups argued that the rights to spend money on political contributions and expenditures

A) were a protected form of free speech.
B) needed to be regulated to ensure a more level playing field.
C) would be more safely guaranteed if campaigns were funded through public monies.
D) posed a threat to the sanctity of a democracy if taken to excess.
E) were sanctioned by long political custom, even if they were not protected by the Constitution.