Is this multiple choice? If not, i'd say that it is important for a historian to be sure of the authenticity of a primary source because a primary source needs to be proven to be accurate. It is important to study and make sure the source is authentic because the accuracy must be proven
The founding of Jamestown, America's first permanent English colony, in Virginia in 1607.
The key difference is the U.S. is free and the communist is not freely to anything.
Dodge City is the county seat of Ford County, Kansas, United States, named after nearby Fort Dodge. The city is famous in American culture for its history as a wild frontier town of the Old West.