According to the author, the "lesson of Munich" has been used many times, including all of the following except

________ is a committee set up by a corporation labor union or interest group that raises and spends campaign money from voluntary donations.

Fill in the blank(s) with the appropriate word(s).

Sen. Joseph McCarthy always appeared before television cameras with loose sheets of paper, which he could wave at the camera and claim contained the names of known

a. communists in the State Department b. KKK members in the Justice Department c. undercover reporters in the Federal Bureau of Investigation d. felons who contributed to the President’s reelection campaign