Economic history of the United States
Colorado Silver Boom
The Colorado Silver Boom was a dramatic expansionist period of silver mining activity in the U.S. state of Colorado in the late 19th century. The boom started in 1879 with the discovery of silver at Leadville.
Homestead Acts
The Homestead Acts were several laws in the United States by which an applicant could acquire ownership of government land or the public domain, typically called a homestead.
North American fur trade
The North American fur trade is the historical commercial trade of furs and other goods in North America between the 16th and 19th centuries, beginning in the eastern provinces of French Canada and the northeastern American colonies (eventually the United States).