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Some struggles were falling crop prices and large amounts of debt plus, more than 600,000 went bankrupt.
        
                    
             
        
        
        
Answer:
Correct answer is A. turned over documents proving that Soviets were trying to infiltrate the U.S. government.
Explanation:
Option A is correct because this event created a massive retaliation in the United States, where many people were marked as Communists, sometimes even without evidences.
Venona project was started during WW2 with a goal to decrypt messages that were sent by Soviet intelligence agencies.
McCarran  Act was introduced in 1950, with a goal to act against Communism in US.
D is also not correct as many in Hollywood were marked as Communist and there were testimonies against them even on courts.
 
        
             
        
        
        
Answer:
Jazz musicians used improvisation; classical musicians did not improvise
Explanation:
One of the significant differences between Jazz and Classical music is that "Jazz musicians used improvisation; classical musicians did not improvise."
Also, Jazz is known for being a performance-driven style of music, while classical music is based on the composer's context.
Another difference is that Jazz is more styled in the modern African-American style of music, which favored rhythms and blues. However, Classical music, on the other hand, is relatively older and more styled in the Western European style of music.