Highway America is now open for Drug Cartel’s violence, and Americans are about to feel the lifestyles of Central America.
In regards to safety and security.
If airplanes did not exist, the US would be annexing Central America, Cuba and the Bahamas, instead of chasing the boogey men 6000 miles aways.
It would be preceded with talks and negotiations to ensure that the neighboring countries are friends or foes.
With a friendly and ally Canada to the North, only the south presents dangers of invasion or infiltration.