carthage
No, Rome did not successfully conquer all of Germany during its expansion. While the Romans did make some incursions into Germanic territories, they were never able to fully conquer and control the region.
Alexander the great did not conquer Rome or ancient Rome.
They took control of the Italian Peninsula.
I think you are confused. Rome is in Italy. They didn't conquer themselves.
The two empires were still fighting over land because of Rome's continuing expansion.
Rome did not have a military strategy to conquer Italy because she did not have a plan to conquer Italy. Her expansion into Italy was the result of winning several separate wars, sometimes quite apart in history, which were fought for different reasons.
The expansion in the number of conquered people did not affect Rome's expansion because it was the product of her expansion.
Rome was weak "morally."
No
Yes.
It was taken from Carthage after the Second Punic War to put an end to Carthaginian attempts to match Rome
By winning a number of wars Rome expanded into an empire which was the second largest empire antiquity saw and the 17th largest in history.