These civilizations were the modern-day cities of Puebla and Leon once home to the Aztec and Olmec.
The Olmec civilization had its most prosperous years in Pre-classical Mesoamerica (1200 BCE to 400 BCE). They inhabited the central territories of what today is Mexico (including Leon, in the state of Guanajuato) and is the pioneer of the Aztec culture.
The Aztecs were an important culture in Mesoamerica, whose capital city was the great Tenochtitlan, in what today in downtown Mexico City. It was built over a lake, using advanced engineering techniques to used mud and rocks. Puebla city is located 1:30 south Mexico City and was the home of the Cholulans that allied Hernando Cortez, the Conquistador.
Contrary to popular opinion, it is much easier to immigrate to Canada than to USA. ... Canada is more or less the opposite. It is not so easy to enter as a worker (unless you have an employer with a validated offer of employment from Human Resources Canada) but much easier to immigrate if you qualify.