What was the primary reason the soviets reacted so aggressively to reform attempts?
a. they wanted to demonstrate military strength.
b. the wanted to crush and eliminate noncommunist parties.
c. they believed control of the communist party should remain in russia.
d. they feared losing control over large parts of eastern europe.

d. They feared losing control over large parts of Eastern Europe

all choices are correct

so they can differentiate themselves from others as they saw themselves as the superior race. the star was basically a symbol that meant you are a less of a person than i am because of my race. the star was also degrading for those who had to wear it because they were aware of this and the nazis used the notion to make them feel less like a person.