They had:
1 Keeled boat light strong at least 60 feet in length her burthen equal to 8 tons
1 Large Wooden canoe
They also had horses, walked, climbed, and used pirogues. "Pirogues" is a French word meaning that they tied smaller canoes together to make a kind of raft. Their horses were certainly used as pack animals in the rough country, and for riding when they crossed the flat plains.
Lewis and clark mostly used boats.
No
Most likely, yes. Compasses were in regular use well before the time of Lewis and Clark.
by using it
they use deer for meet
the sextant
Lewis and Clark used a variety of tools to make their maps, including a magnetic compass, a surveyor's compass, a sextant for determining latitude, an artificial horizon for determining longitude, and a chronometer for keeping time. They also relied on simple tools like an odometer wheel for measuring distances and a theodolite for measuring angles.
to death
A Gun and Fists
Wax
yes and they ate it
They were explorers. They probably needed them for defense, or other use.