Firstly, Rome's location near the Mediterranean Sea provided the city
ports for trade. Next, the Italian Peninsula is quite mountainous,
providing Rome something of a barrier from potential invaders.
Hopes this help
It was another religion. it would make conflicts much like there is today. which I guess you could say did pass on to today. monarchs at the time normally made it a law to all follow the same religion, however, as it grew, these rules dwindled more and more (sometimes). bit when they didn't, there was plenty of hate between groups.
I would say your best answer would be letter C.