The answer is who is responsible for the changes?
Answer:
The only role of government in a laissez-faire economy is to prevent any coercion against individuals.
Theft, fraud, and monopolies prevent rational market forces from operating. Laissez-faire policies need three components to work: capitalism, the free market economy, and rational market theory.
The Toltecs were responsible for establishing a variety of the basics that the rest of their Central Mexicans would follow. However, the Toltecs could not establish the major cities and trading centers that people like the Teotihuacanos and the Aztecs would later establish.