Why would you expect most people in canada to settle near the united states border?

I believe you posted this twice, or a different person but it is because of the climate. Most of Canada is very cold, but closer to the US border is a bit warmer

Texas’ gulf coastal plains are the western extension of the coastal plain extending from the atlantic ocean to beyond the rio grande. its characteristic rolling to hilly surface covered with a heavy growth of pine and hardwoods extends into east texas. in the increasingly arid west, however, its forests become secondary in nature, consisting largely of post oaks and, farther west, prairies and brushlands.