Very broad question that we may not be able to fully answer. There WAS a revolver made by the Iver Johnson Co. that was known as the American, Young American, and American Bulldog in the early years of the 1900s.
Howard Roper was an American inventor born in 1823. He was born in Francestown New Hampshire, and became known as an early inventor of motorcycles and motor vehicles.
The movement of African Americans from the rural south to the industrial north in the early 1900s is known as the Great Migration.
socialism.
Scott A. Jones is known for being an American inventor and for his work in the early days of voicemail and the co-founding of Boston Technology. He was born in 1960.
Socialism
Socialism
The first people arrived in the early 1900s.
Eli Whitney was an American inventor and is best known for his invention of the cotton gin.
Charles Babbage.
Thomas Edison was known as an American inventor.
An American inventor best known for inventing the cotton gin.