What important knowledge did william clark bring to the lewis and clark expedition?

The expedition was started from 1804 to 1806 which lasted over two years across the Louisiana Purchase to the Pacific Ocean and explore the lands of west Mississippi river. The expedition was confronted with harsh weather, starvation injuries, treacherous water, disease and even confronted hostile native Americans. however, this expedition helps to gain new knowledge about the ecology and unexplored geographical areas of America.

balearic sea - is a body of water in the mediterranean sea around the balearic islands. baltic sea - is a mediterranean sea of the atlantic which is enclosed by scandinavian and baltic countries. barents sea - is a marginal sea in the artic ocean located off the northern coast of norway and russia.