The Louisiana Purchase and the Lewis & Clark Expedition and its “Sea-coasts, or Inland Countries; Course and Junctions of Rivers and First, Jefferson was eager to push western exploration and American claims It is also questionable how firmly the expedition reinforced the nation's claim to the Oregon territory.
THE answer is C.
I think A but I am probably wrong sorry if I am I am 100 % not sure
D is correct one ok ok ok
Many ways but idk a specific one
