Joseph Mccarthy gained a following for " the state department had been inundated with communist sympathizers" Option A. This is further explained below.
Generally, Joseph Raymond McCarthy was a U.S. Senator from Wisconsin for the Republican party from 1949 until his death on May 2, 1957.
In conclusion, The right answer is "The state department had been overwhelmed with communist sympathizers," as Joseph McCarthy said in a speech in February 1950, propelling him to national prominence.
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