Answer:
West Virginia Board of Education v. Barnette
Explanation:
West Virginia State Board of Education v. Barnette, 319 U.S. 624, is a landmark decision by the United States Supreme Court holding that the Free Speech Clause of the First Amendment protects students from being forced to salute the American flag or say the Pledge of Allegiance in public school.

According to the passage :
B. All branches of government have equal power.
is the correct answer.
I never reviewed this in class but I do remember that my teacher said that Rome had a strong army. I know its not B, C, and I don't think its D.
Hopefully this helped you.
I believe the correct answer is D
Answer;
"Red scares" - spies
In the 1920's people reveled distrust of others as Red scares- spies.
Explanation;
Red scare is the promotion of widespread fear by a state or a society about a potential rise of Communism, anarchism, or radical leftism. It first occurred immediately after the world war I, <span>1919-</span>1920<span>, when many in the United States feared recent immigrants and dissidents, particularly those who embraced communist, socialist, or anarchist ideology. </span>