It was known as the Corps of Discovery.
Lewis and Clark were joined by 31 other permanent members of the expedition.
Lewis and Clark met Sacagawea and her husband and other many Native Indians.
No one else traveled with Lewis and Clark. It was just an expedition of the two of them.
died
they went on an expedition with each other
Yes he was. William Clark was a lieutenant-captain and was in fact Lewis' superior prior to the expedition. However, once Jefferson assigned Lewis to the expedition, Lewis was promoted to Captain. Lewis always considered Clark his "co-captain" and kept secret the fact that Clark was of lower rank from the other members.
they slept with each other
There were two primary journals kept during the Lewis and Clark expedition, one by Meriwether Lewis and the other by William Clark. These journals recorded detailed accounts of the expedition's discoveries and encounters with Native American tribes, wildlife, and natural landmarks.
The Lewis and Clark expedition was joined by approximately 30 individuals, including Meriwether Lewis, William Clark, Sacagawea, and her husband Toussaint Charbonneau, as well as other explorers, soldiers, and interpreters. They embarked on this expedition to explore the newly acquired territory of the Louisiana Purchase.
Sacagawea was helpful to Lewis and clark because she was their interpreter. She found routes for them. Her being with them led other natives to gain trust towards them.
Meriwether Lewis and William Clark became friends when they met during the Northwest Campaign. At the time Lewis was serving under Clark and they became fast friends.
nothing other than they were exploring to the west the then known world.