<span>Assuming that this is referring to the same list of options that was posted before with this question, the best response is "destructive" since many Natives were moves off their land. </span>
Answer:
The last time Congress enacted sweeping immigration reform was back in 1986. That bill, signed by Ronald Reagan, looked a lot like the proposals being put forward today. There was a path to citizenship for existing illegal immigrants, coupled with tighter border enforcement.
It's a bit different because while the Nubians kept the culture, they developed their own language. Unlike them, the Bantu people retained their language, but they developed their culture further.