Question

The religions that Romans had the most difficulties with were _____.
faiths that had more than one supreme being
Egyptian, Syrian, and other Eastern religions whose gods were shaped like animals or half-animals
monotheistic religions that prohibited followers from worshipping the gods of the Roman state
the Greek philosophies of Plato and Aristotle.

Answer 1

Generally speaking, the religions that Romans had the most difficulties with were "monotheistic religions that prohibited followers from worshipping the gods of the Roman state," since for a long period of time religions such as Christianity were strictly outlawed in Ancient Rome. 

Answer 2

The religions that Romans had the most difficulties with were monotheistic religions that prohibited followers from worshipping the gods of the Roman state