the sextant
Most likely, yes. Compasses were in regular use well before the time of Lewis and Clark.
Lewis and clark mostly used boats.
No
they use deer for meet
to death
Wax
A Gun and Fists
They were explorers. They probably needed them for defense, or other use.
yes and they ate it
Yes they used a covered wagon
the length and use of it
paper and pens they took with them