Explain what the "red scare" was, (1950) and how did it start?

The red scare was a widespread potential fear of communism or anarchism by a society or just a state. The Scare had its origins in the hyper-nationalism of World War I as well as the Russian Revolution. ... Bolshevism and the threat of a Communist-inspired revolution in the U.S. became the overriding explanation for challenges to the social order, even such largely unrelated events as incidents of interracial violence.

I hope this helps you.

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.

i believe he should not do investment b