オレゴン・カントリー
Despite the myriad of tribal entities spread throughout the Oregon Country, their historical occupation and implicit claim to the land was barely noted and not recognized by white Americans in the East. In 1828 New England teacher Hall Jackson Kelley, a leading exponent of white colonization of the Oregon Country, hailed the region as "the most valuable of all the unoccupied parts of the earth" in a memorial to Congress.