Answer:
yes it has been so since the beginning of time
Answer:
moving from the country of one's birth place to a new country to settle and live there permanently.
Outflow is the answer assuming that the underlined word is influx.
Evidence with data. Opposes the claim with counterclaim. Evidence that makes the opposition ineffective with Warrant. Rebuttal with explanation of evidence. And Claim with stated as the thesis. I think this is right. Hope this helps