It could possible be ironic and problematic because the rest of the world was technically already "discovered", but just not by the Europeans specifically.
Freed slaves or the enslaved negroes/black farmers migrated to western territories because the west was new and the United States Agrarian Reform had promised them a free land which is forty (40) acres and a mule under the Homestead Act of 1862.
No, it is false that the victory at Trenton was important because it caused France to sign a treaty with America that would provide the aid America so desperately needed, since French aid didn't come until later.
Declaration of Independence