Fort Mandan. They named it after a friendly tribe named the Mandan, who live nearby
fort mandan
They both went to the same place for their expedition
the missouri
William Clark (assuming you're talking about the Lewis and Clark expedition)
Lewis and Clark went over them first, so obviously them!
Lewis & clark
sacajuwea
Lewis was Jefferson's Secretary and Clark was an Army Captain.
No, Lewis and Clark went by ships and wagons pulled by oxen.
Lewis and Clark went on the expedition to find the pacific oceon and explore the west.
Meriwether Lewis was 29 years old and William Clark was 33.
33