*Includes pictures *Includes online resources and a bibliography for further reading To possess and develop western North America became a high priority for the United States government even before its constitution had been complete.
To take ownership of the continent\'s natural resources and establish po.
For President Thomas Jefferson, the vast terrain of plains, mountains, and extensive coastlines offered both long-term prosperity and protection from competing international powers. *Includes pictures *Includes online resources and a bibliography for further reading To possess and develop western North America became a high priority for the United States government even before its constitution had been complete