Before reaching the Pacific Northwest, the Lewis and Clark Expedition had to return to St. Louis for supplies.
defeat the Nez Perce in battle.
cross the Rocky Mountains.
spend the winter in Fort Clatsop.

cultural/diplomatic relations. most medieval japanese   culture has chinese origins. writing, architecture etc.

ba geologist finds four sedimentary rock she determines that no geologic events have shifted the layers she labeles them a,b,c,dbfrom top to bottom

"germany's geographic location was an advantage when it was on the offensive in the war because it was situated next to an extremely wide river, the rhine, which was difficult for the allies to cross."

the correct answer is:   the domino theory states that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.