Which of the following correctly describes an example of how climate affected the settlement of countries in north america? a. most of the people in the united states settled in the midwest, where temperatures are less extreme. b. most of canada’s population lives along the southern border, where the weather is warmer. c. most of mexico’s population that migrated to the united states did so to avoid hot summers. d. most of the people in north american countries live in either tropical or subtropical regions.