Original: Although technically considered "unorganized" in that the U.S. Congress has not passed an Organic Act for the territory, American Samoa is self-governing under a constitution that became effective on July 1, 1967.
Simplified: Though technically considered "unorganized" in that the US Congress has not passed an Organic Act for the territory, American Samoa is self-governing under a constitution that became effective on July 1, 1967.