Guns and gun powder
during this time the natives in America were still using spars and arrows, with those weapons they practically stood no chance against the Europeans.
Answer:
The 1st Amendment
Explanation:
So during the red scare, people had a fear of communism, and mostly Russians because of the newly independent Soviet Union created by the Bolsheviks. This caused people, most importantly Mitchell Palmer, to arrest people and treat them very harshly with them not even being able to make a phone call.
The effect that happened was that the fret war ended flappers
Political spin. Hope this helps!