Answer: Getting to know the new territory, finding land routes, finding new species, completing cartography, settling areas.
Explanation:
- Getting to know the territory is a significant factor in this exploratory expedition, as the authorities needed to examine the new lands they were claiming. The president himself sent the researchers on their way.
- Another reason for sending the expedition is finding a land route to the Pacific, which was one of the main goals of this expedition.
- Along the way, Lewis and Clark became acquainted with certain new plant species characteristic of the areas they explored.
- This expedition is also essential for completing US cartography and charting new territories.
- The expedition encouraged the population and the government to help settle the newly discovered territory.
