Answer:
Lewis and Clark were explorers who led the first American expedition across the western portion of the United States in the early 1800s.
1. The Lewis and Clark Expedition began in 1804 and lasted for two years.
2. The group traveled over 8,000 miles, from St. Louis, Missouri, to the Pacific Ocean and back.
3. The group consisted of 33 people, including Lewis and Clark.
4. Sacagawea, a Native American woman, served as a translator and guide for the group.
5. The expedition helped to establish trade with Native American tribes in the region.
6. Lewis and Clark brought back many new species of plants and animals that were unknown to science at the time.
7. The journals kept by Lewis and Clark during their journey provide a detailed account of the landscape, wildlife, and Native American tribes of the region.
Step-by-step explanation: