maize
Corn?
They have found that Native American's began to cultivate corn at least 3000 B.C. (5000 years ago), Europeans learned of this crop from the Natives c.1492+. There is no real record of how it effected the Mesoamerican cultures, and it can only be guessed that it changed their cultures like it did any other cultural group in the world.
Yes: the Spanish culture as it conquered Mexico and kept it as a colony in the Americas for 500 years (1521 - 1821).
No. Both countries had very different cultures during different times.
Their first settlements began to consolidate, conforming the first villages and cities of what would become the Olmec civilization.
Their first settlements began to consolidate, conforming the first villages and cities of what would become the Olmec civilization.
If you consider Mexico's history since the time its first civilizations (with written history) began to appear, that would be around 4500 years ago.
It conquered and eventually began to colonize Mexico in 1521, during the Age of Discovery. After being a colony of Spain for 300 years, Mexico declared (1810) and won its independence from Spain in 1821.
It is a practice inherited from the ancient civilizations that appeared in Mexico more than 3000 years ago. Those cultures "domesticated" corn and used it as an ingredient for many dishes, including tortillas.
Since some 20,000 years ago, when the first human populations began to migrate southward due to the last ice age.
Texas was part of Mexico at the time. Fifteen years after Mexico got its independence from SpainTexas fought Mexico for it's independence, and won.
The period began with Mexico's victory over Spain in its war of independence in 1821. For the first several years of its existence, Mexican Texas operated very similarly to Spanish Texas