I honestly, am not quite sure, but I think it's either the Mississippi or Missouri river that they may be asking for, but it could also be various plains. I'm sorry, I suck at History/Geography, I hope it helped a little though. I wish I could be more helpful, I saw you haven't received an answer, so I thought I'd give it a try. Goodluck! ;)
Lewis and Clark had to cross the Rocky Mountains in order to reach the Pacific Ocean. This was a challenging and physically demanding part of their journey as they navigated through rough terrain and harsh weather conditions.
Lewis and Clark had to cross the Rocky Mountains to reach the Pacific Ocean.
Lewis and Clark had to cross the Rocky Mountains to reach the Pacific Ocean. This rugged and challenging terrain presented a significant geographical barrier for their expedition.
Lewis and Clark crossed the Rocky Mountains to reach the Pacific Ocean. This formidable geographic barrier presented a significant challenge to their expedition, but they were able to navigate through it with the help of indigenous guides.
Lewis and Clark were trying to reach the Pacific Ocean during their expedition in search of an overland route to the Pacific Northwest.
It was not the Atlantic that was their destination, they were to cross and explore the Louisiana Territory and reach the Pacific Ocean, which they already knew existed. And yes, they did successfully reach the Pacific and make a successful return home.
Lewis and Clark had to cross the Rocky Mountains to reach the Pacific Ocean. This rugged and challenging terrain presented a significant geographical barrier for their expedition.
Fort clatsop
Lewis and Clark had to cross the Rocky Mountains to reach the Pacific Ocean.
Lewis and Clark journeyed to the pacific ocean
Lewis and Clark reached the pacific ocean in November 15 1805
Lewis and Clark found a pathway to the Pacific Ocean and Lewis found a passageway from the ocean to another place.
Louis and Clark reached the Pacific ocean in 1805.
Lewis and Clark explored the Pacific Northwest and blazed a trail to the Pacific Ocean.
The Ocean...
The pacific ocean
Lewis and Clark.
Lewis and Clark were the two explorers that led the expedition over the Rocky Mountains to the Pacific.