RE: Turks and Caicos to j
Would the Turks and Caicos become a major entry point for illegals? Frankly, I doubt it. On a practical level, a territory that is not part of a nation proper is not the best entry point for illegals. If an illegal sneaks into a island territory, they're still a plane ride away. And planes require I.D., money, etc. It's much more difficult to sneak on a plane than walk across a border or hop on a train.
As evidence I'd like to point to the Netherlands Antilles, or Puerto Rico. Neither of those territories are major entry points of illegals into Holland or the U.S. respectively. The Turks and Caicos aren't a major entry point of illegals into the U.K., so why would that change if they became a Canadian territory?