Some examples would be:
The early civilizations of Mexico throughout (Central) America developed socially by sending messengers along at least 10,000 mile roads.
Mexico is ground zero, all the roads start and finish in Mexico City, so all the roads stated from Mexico City, since Mexico City is the capital of capitals, as one of its names it has always been an imperial city, so that is why all the roads lead to Mexico City.
There are paved highways and freeways among most cities in Mexico. There are of course rural roads and pathways which are unpaved.
In South America and some of mexico.
Canada and mexico
------------------------------------- this much
Some of them include roads, vehicles, machinery and equipment, as well as technology.
That Mexico is Mexico and south america is south america
2
Central America borders South America and Mexico.
Canada, USA and Mexico
What two COUNTRIES border North and South America. Technically, Mexico is in Central America, so the answer to the question is: Mexico borders North America, and Panama borders South America. Some consider Mexico to be a part of North America, which is technically incorrect, but in that case, then there are three countries that border North and South America: Panama borders South America, and Belize and Guatemala border North America (Mexico).