The event that contributed to the rise of anti-immigrant, anti-socialist and anti-anarchist feelings in the United States during and just after World War was "the outbreak of the Russian Revolution in 1917."
This is because the Russian Revolution of 1917 led to the rise of communism.
The ideals of communism spread across the Soviet Union and China during this period, and its success was obvious.
However, as the ideals of communism were spread to America, including the news of its success, many Americans began to embrace communist ideals such as anti-immigrant, anti-socialist, and anti-anarchist feelings.
Thus, the emergence of anti-immigrant, anti-socialist, and anti-anarchist feelings in the United States during this period rose quickly.
Hence, in this case, it is concluded that the correct answer is option D. "the outbreak of the Russian Revolution in 1917."
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