Answer
The correct answer is C(Missouri)
Explanation
Lewis and Clark began their journey to the Missouri River on May 14 1804.They headed upsream on the missouri river on a keelboat and two small boats.they travelled for about 15 miles per day.They discovered many thing on the trip and learnt about geography of the area . They also named new plant and animals they came across some of which names are still in use today.Heat and strong River currents made their trip better.
