Answer :
Final answer:
Joseph Welch, on June 9, 1954, asked Senator Joe McCarthy if he had no sense of decency, marking a crucial turning point in McCarthy's anti-communist campaign.
Explanation:
On June 9, 1954, during investigations into alleged communists in the U.S. government, lawyer Joseph Welch famously questioned Senator Joe McCarthy's methods, asking, "Have you no sense of decency, sir, at long last?"
Therefore, the missing word from Welch's question is option A) Decency. This historical event is considered a pivotal moment in the downfall of McCarthy's anti-communist campaign.
Learn more about Joseph Welch's question to Joe McCarthy here:
https://brainly.com/question/33818776
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