The Significance of the Frontier in American History

Jackson?s Frontier ? and Turner?s Thesis What is a small-scale theory? Small-scale theories are theories that are parts of a larger body of theory that explains specific puzzles. What is a grand scale theory? Grand theory is a wider scale of theory that encourages historians to figure out what part of history is interesting and important, and which part to study. Define the ?Frontier?. A frontier is a large area of unsettled land that creates a border. Why did Turner feel there was no longer a ?frontier? in 1890? Turner felt that the unsettled frontier had so many small, broken up settlements that it was no longer an unsettled frontier. According to Turner, American History up to 1893 had been to a large degree, the history of what? The history of the Great West.