They brought back maps
they brought back valueable scientific and geographic information
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THey brought back valuable ascientific and geographic information.
Zebras and Lions and Gorillas and Bigfoot
Plants and spicices like animals
They brought plants and animal skins back with them from the new land
Lewis and Clark got back from there expedition on February 22nd
well..i dont really know the answer to that one
Maps of the region west of the Mississppi, and samples of the plants and animals found in the Northwest. Also statistical information on the Native American tribes: who, where, and how many.
They sent back animals and plants for Thomas Jefferson to study and marvel at. I hope this answered your question!
No, Lewis and Clark went by ships and wagons pulled by oxen.
Info of the other "world" I'm pretty sure...