Chapter 1:
- Territorial expansion a distinctive feature in the history of the United States -- the South a leading factor in this policy.
In one important respect the history of the United States differs from the history—transcends the history—of any other great power of the world. Its boundaries have never receded. It is true, indeed, that some of the great powers have gained important territorial acquisitions, and have lost others; their boundary lines advancing and receding. At certain points of their history they may have claimed that their boundaries had never receded. This statement is now true of no great power except the United States.1 This is a fact of deep significance. It refutes the theory formerly so prevalent in Europe, and entertained to some extent in America, that a vast confederated republic could not possess cohesive force sufficient to hold its several parts together. Yet experience has shown that the United States, alone of all the great powers of the world, has preserved intact all the territory it has ever acquired. In another respect American history is distinctive. Every great war in which the United States has ever been engaged, has been accompanied by a large acquisition
