What geographic features most likely hindered the byzantines from expanding north of italy?

Which political organization lobbied government officials to control the immigrant population

Which of the following was a major effect of paul's conversion to christianity? christianity became the official religion of the roman empire. the teachings of christianity were banned by pontius pilate. christians began to debate whether jesus was resurrected or not. the teachings of christianity were spread to non-jews called gentiles.

World war 2 was caused, in part, by which of these factors?