What events sparked the red scare in america?

Some authors have commented about this matter saying that the principal event was the cold war between the soviet union and the United States between 1940s and 1950s which produced a histeria over the perceived threat posed by communist in the US.

By the other hand the events as:

1) World war I.

2) The Bolshevik revolution in Russia.  

Events that sparked the Red Scare in America were  

i.World War I,  

ii.The Bolshevik Revolution in Russia

iii.He end of World War I

iv.Self-proclaimed anarchists' mailing bombs to prominent Americans

Further Explanations:

Red Scare was a political initiative that opposed radicalism and Communism spread in American society. It was spotted as a threat and concludes another “communist revolt” of organized labors. The anti-immigration sense in the Americans created political and societal irregularity in the society. . “General Intelligence Division”regulated by“J Edgar Hoover” was recognized to gather specifics about extremists of the nation.  

The events that were responsible for the initiation of the Red Scare were:

i.World War I- The war compelled many citizens to adopt anti-immigrant and nationalistic  sympathies

ii.The Bolshevik Revolution created the threat in the minds of inhabits that immigrants from Russia would overthrow their government.  

iii.The termination of World War I- declined the production needs and created a mass unemployment.

iv. Self-proclaimed anarchists' mailing bombs to prominent Americans generated havoc in the administration.  

Learn more

Answer detail

Grade: High School  

Subject: History

Chapters: Red Scare

Keywords:

Red Scare, political tension, Communism, radicalism, hyper-nationalism, First World War, political , societal, General Intelligence Division, J. Edgar Hoover, First World War

the graph is a circle graph because it demonstrates different components of the graph in the form of a circle . pls mark brainliest!