Roughly the eastern half of what is now Colorado was purchased by the US from France in 1803 as part of the Louisiana Purchase. Prior to that, it was held at various times by Spain and France since 1699.
Roughly the western part of Colorado was held by Spain and then by Mexico until it was ceded to the US after the Mexican War.
The U.S. has never owned Canada.
The Mexican Cession was the name granted the region of the modern day Southwestern US that Mexico gave up to the US. Before this, it was considered another part of Mexico.
It was a Spanish Colony for more than 400 years.
Colorado's region is the Rocky Mountain Region
it was owned by India
The U.S. has never owned Canada.
When the Spanish came to the US, they named colorado "color red", which later developed into colorado.
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MEXICO owend it
Mexico
The colony of South Carolina was "owned" by the British - before the Revolutionary War ended in victory for the U.S. in 1981.
Yes. Before the Mexican American War, Mexico also owned California, Nevada, Utah, Arizona, New Mexico and Texas, as well as parts of Wyoming, Colorado, Oklahoma and Kansas.
Columbia owned the area around Panama before the US helped Panama form its own country.