No Red Scare

First, how would you avoid the first Red Scare during the late 1910s and early 1920s, and then, what are the consequences of no Red Scare?
 
Wasn't the scare more in reaction of Socialists opposing WW1? At least it was used as a justification.
 
Wasn't the scare more in reaction of Socialists opposing WW1? At least it was used as a justification.

Yes it was, but the Bolshevik Revolution exacerbated it. I don't know how you would avoid the Red Scare all together unless you butterfly away WWI.
 
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