Talk about how many have come through the years.
For example: Many immigrants have entered (whatever country, I'd assume America but you can fill in the blamk) but by far the most that have entered would be (number here) and (this percent) have stayed and.....
And if not that, maybe talk about how their cultures have affected the world or another country because of immigration. I hope that helps!
What are the answer options?
Normally omniscient (3rd person pov) provides insight about the character's thoughts and motives, but sometimes 1st person can be helpful to gain information about how the character views the situation... Sorry if this seems confusing at all.
Theme is A) An underlying concept.
Theme is also the big picture you see in the story.
