Bonjour pouvez vous m'aider stp merci d'avance bonne chance
Remettre les événements de l'expansion territoriale des Etats-Unis dans l'ordre chronologique. Attention, il y a un intrus!

North Dakota ceded by Great Britain (with parts of Minnesota and South Dakota).
Annexation of the states of Wyoming and Colorado by the US from the Cherokee tribe.
Louisiana Purchase: France sold it to the US.
Treaty of Paris: The US gained 11 new states just west of the original colonies.
Texas Annexation
Mexican Cession: the US gained Utah, Nevada, California and Arizona.
Gadsden Purchase.
Last parts of Maine and Michigan ceded by Great Britain.
Cession of Florida by Spain.
Treaty with Great Britain: The US gained the "Oregon Country", which includes the states of Washington, Oregon and Idaho.