It increased because of the industrial era<span />
The correct answer is South
Most of the foreign born population live in the south, this is because of the history of migration that is greater in this region than in the others. But that amount has increased over time and nowadays even though there are also many foreign born in the West, there is a much greater amount in the South of the country.
Scientists shifted from thinking about the world to trying to understand how it functioned
Hope this helps!