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.
Can you post the words and definitions
so the world can be a better place, it's different now
Answer:
Norman Schwarzkopf was a general in the Gulf War