The last country in the world to challenge the United States control of Oregon was Great Britain. Oregon was won in the War of 1812.
Uhm who’s Togo ? I’ll help once I know who/what they’re from
Article iv states that the federal government guarantees each state a REPUBLICAN form of government <span>and shall protect each of them against Invasion; and on Application of the </span>Legislature<span>, or of the Executive (when the </span>Legislature<span> cannot be convened), against domestic Violence.</span>