What geographic feature protected Rome from an invasion from the north? the Tiber River
the Italian Alps
the hills of Rome
the Tyrrhenian Sea

Yes the dude up top is right about the alps but...

Explanation:

Back then they used the mountains as a way to protect their plains and things

you should try adrenaline. it kicks in in situations like this.

carefully examine the map above. based on your knowledge of colonialism in africa, the area attributed to belgium on this map is most likely the democratic republic of the congo.