There’s no way that this is an advantage. Our weapons and tactics do not depend on road access to our enemies, while all our enemies need access, and would find great imporvement in that corrider.
You seriously think that if we built a wide highway, maybe 8 or 10 lanes in each direction, that Mexico will invade and conquer us.
Did Iraq make that mistake and build such a highway that allowed us to defeat them? Is all that Mexico needs to defeat us is a few more yards of pavement?
Do you have the slightest clue of the relative strength of our armies? The slightest clue about our Air Force? Do you have even the slightest clue about how many bases we have domestically and how they are manned?
You are afraid of a frickin' road. That is pathetic. It's less than cowardly, it's downright pathetic.
You're afraid of a road. I hope you never see your own shadow, you'll freak out.