a study of the case of the american revolution of 1776 the french revolution of 1789 and the russian revolutioj of 1917 best supports the generalization that revolution is most likely to occur when?

2 answers

When the central power of the state is weak, and there are unstable times (economic and social).
In addition to what BobPursley has said, each case, the population which revolted was ruled by an unpopular monarch.