All governments were hostile then, so it was pretty much conquer or be conquered. Rome had an advanced civilization and could bring the rule of law to conquered territories, making them in theory better off than before. Rome also wanted territories to trade in, and would exploit resources such as iron ore and minerals. The conquered may not be better off as a consequence but Rome was.
Alexander the great did not conquer Rome or ancient Rome.
I think you are confused. Rome is in Italy. They didn't conquer themselves.
Rome was weak "morally."
Yes.
No
alot
most of europe
Macedonia.
Ancient Rome conquered 31 countries.
31 countries
The Hellenistic Kingdoms.
carthage