Those Jews were avowed Communists, as well as terrorists, much as Michael Bloomberg, Thomas Steyer, Bill Gates, Paul Allen, Warren Buffett, and George Soros today in America.
It did spread, of course, resulting almost immediately in the First World War complicated by the San Francisco flu, which itself might be said to be a Jewish conspiracy on its own.
The universal response, "to keep the Jews in their place" while appeasing the white Christian labor unions, was wrong, and precipitated a Great Depression and a Holocaust leading to a Second World War -- the governments of Europe d