At the center of the Spanish derived Latin American city would be found because of the pre-existing functions of church, government, and market.

the elite, or wealthier people

Explanation:

Latin America is that part { i.e country} of American continent where the languages like Spanish, French and Portuguese are widely spoken. The part or city where Spanish is widely spoken is regarded as Spanish derived Latin American city.

It was discovered that in sixteenth century, during the time the people from Spain, that is , the Spanish were beginning to develop the Latin America cities , by building infrastructures like houses and roads, the ones that were made in these areas are more sophisticated and well planned when compared to the ones even in Spain.

So, this makes the Latin American cities to be modern, and Europe several city models were emerging in the area.

In this case, economic and demographic booming were happening in several cities of Latin America.

could you go a bit more in depth with you question? it's quite hard to understand. as soon as you do that i will be glad to : )