What was the main purpose of Francisco Vasquez de Coronado's expedition?

Vázquez de Coronado had hoped to reach the Cities of Cíbola, often referred to now as the mythical Seven Cities of Gold, which is a term not invented until American gold-rush days in the 1800s. His expedition marked the first European sightings of the Grand Canyon and the Colorado River, among other landmarks.

there are two main types of historical sources: primary sources and secondary sources. a primary source is something that originates from the past. it can be a chronicle, a piece of pottery, or even a piece of glacial ice that gives us climate data about the levels of atmospheric carbon one thousand years ago.

it increase by 12% a year from 1812-1820