C. Mao Zedong was a communist leader in China, in 1937.
ONe large one is that a ruler can not rise to power without a consensus of other people in the government and the public. A dictatorship is nearly impossible with a representative democracy.
Answer:
<em>A) When a person makes a speech about violently overthrowing the government </em>
Explanation:
A threat to overthrow a government aligns with the clause that prohibits speech that is "a threat to a person or society."