How did the mountains make the development of Rome difficult.

The Apennine Mountains made it difficult for people to cross from one side of the peninsula to the other. These two groups of mountains helped to protect Rome from outside attacks. The seven hills protected Rome. ... While the climate made year-long agriculture possible, Rome also had the advantage to be near water.

Explanation:

the british won and the germans couldn't invade great brit

when in doubt choose c

it's what my teacher told my class when we were going into psats