There is not a specific antonym for diaspora, but the opposite of a diaspora would be the regrouping of a community or the coming together of a community. It could also be a renewal of a specific cultural group or ethnicity coming back together in a sort of revival of their culture.
1. Immigration
2. Natural increase
One similarity between the US Constitution and the States' Constitutions is that all of the states have a supreme court, congress, and executive office.
Answer:
the state of something with regard to its appearance, quality, or working order
Explanation: