How was the expedition of hernan cortes significant

Hernán Cortés de Monroy y Pizarro Altamirano, Marquis of the Valley of Oaxaca was a Spanish Conquistador who led an expedition that caused the fall of the Aztec Empire and brought large portions of what is now mainland Mexico under the rule of the King of Castile in the early 16th century.

it also established a claim on all of the americas

federal power is further limited with a system of checks and balances that gives each branch of government a measure of power over the others.

explanation:

agriculture revolution