fort mandan
They both went to the same place for their expedition
Fort Mandan. They named it after a friendly tribe named the Mandan, who live nearby
Lewis and Clark went over them first, so obviously them!
William Clark (assuming you're talking about the Lewis and Clark expedition)
No, Lewis and Clark went by ships and wagons pulled by oxen.
sacajuwea
The primary objectives of the Lewis and Clark Expedition were to explore and map the newly acquired Louisiana Purchase, establish diplomatic relations with Native American tribes, find a practical route across the western half of the continent, and study the plants, animals, and geography of the region.
Meriwether Lewis was 29 years old and William Clark was 33.
it was Lewis and Clark because they went on an expedition to explore all western territory.
33
on their expedition Lewis and Clark went to the upper Missouri River region.
The Lewis and Clark expedition to fined a rout to the pacific ocean was the only expedition Lewis and Clark went on together, because a few years later Lewis killed himself.