Answer:
There are many benefits!
Step-by-step explanation:
Benefits can include on helping the economy if it's struggling and improve life overall for people living in the specific region you are talking about. Also it can help the government out and strengthen it to be better, other things also are like, trade, health care, and rights to vote. There can be cons as well as culture loss, language barriers, as well as no longer being independent anymore. I hope this helped sorry its a little everywhere. :)