<span>People felt that WWl was fought for nothing and they didn't want to start another war so they went back into isolationism by 1930</span>
I think France and England
If there are choices, The answer would be fur trading.
B)Palmer arrested 5,000 suspected subversives and held them without trial
Why: They were afraid of any little organization or group of factory workers could quickly turn into a large group like what happened in Russia. When they found multiple factory workers speaking they would automatically assume they were planning an attack.