Although Senator Smith does not name anyone in this quotation, she is most likely referring to
Joseph McCarthy. Senator Smith, a member of the Republican Party, she served as a U.S. representative (1940–1949) and a U.S. senator (1949–1973) from Maine. Senator Smith was the first woman to serve in both houses of the United States Congress, and the first woman to represent Maine in either.
Senator Smith is also credited to have said this to the same person, Joseph McCarthy. "I speak as a Republican I speak as a woman. I speak as a United States Senator. I speak as an American. I don’t want to see the Republican Party ride to political victory on the four horsemen of calumny— fear, ignorance, bigotry and smear."
Joseph Raymond McCarthy was an American politician who served as a Republican U.S. Senator from the state of Wisconsin from 1947 until his death in 1957.
Therefore, the correct answer is as given above
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