All of the following aided the spread of Christianity EXCEpt C - Efforts of the Jewish rabbis
D-Work of the apostles, such as Paul
A - Popularity of the message
B - Early martyrs

in 550 b.c.e. cyrus the great, the leader of the persians, conquered the medes and united the iranian people under one ruler for the first time. cyrus became the first king of the persian empire and went on to establish one of the largest empires in world.

civil disobedience, refusal to obey the demands or commands of a government or occupying power, without resorting to violence or active measures of opposition