What is the Federal Reserve use to help control the money supply in the economy as a whole? A. checks
B. stocks
C. interest rates
D. debit cards​

His is the name of the group in the house of representatives that, in 1947, began hearings to expose communist infiltration in american life. unfortunately, a good deal of the evidence they used was based on hearsay and conjecture, meaning innocent people were harmed by their findings.