The answer is B, they conquered
It's "more adults are delaying having children or choosing to remain childless."
Answer:
In desperate need of soldiers to help with the invasions, Rome hired mercenaries to defend its borders. According to some historians, many were Germanic warriors who did not feel loyalty to Rome. ... The most evident factor of the Roman Empire's fall was the invasions.
Explanation:
I wouldn't say that it was a specific country, but I guess you could technically say Italy. He did good for all of Europe though because of the Asian influences he brought back.