The union of the thirteen British colonies in North America provided the foundation for the westward and transcontinental expansion of the United States during the nineteenth century, a process that turned the country into a global power by the early twentieth century.
Identify historically significant locations on the map. Place each name on the map by clicking on the name, dragging it to the correct map location, and then dropping it into place. When you are finished, select "Submit" to view your score.