expedition: jorney for some special purpose such as a exploration; scientific study for military purposes

external image thumbnail.aspx?q=410632848344&id=9c459939032c493b595ecb595ed8b802&url=http%3a%2f%2fwww.poorwilliam.net%2fpix%2flewis-clark-expedition.jpg

This picture relates to Thomas Jefferson presidency,because he chose Meriwether Lewis for army ambassador. to explore the west of Louisiana
.http://www.history.com/videos/lewis--clark-expedition-charts-new-territory. Click hyperlink to see film. This film describes In May, 1804, Meriwether Lewis and William Clark set out on an amazing expedition across the Louisiana Territory.

Explanation: an expedition can be group of persons and ships;also a expedition can be a promptness or speed in accomplishing somethinghttp://dictionary.reference.com/browse/expedition

This word also reflects to Thomas Jefferson republican ideas, because he believed that Meriwether Lewis will be a great leader to associate with the Native Americans that lived in the Louisiana Territory.

Lewis and Clark were trudging back home with the other Americans and hoped to learn more about the West. From 1805 to 1807 Zebulon Pike explored the southern part of the Louisiana Territory. Pike Expedition:
an excursion, journey, or voyage made for some specific purpose, as of war or exploration.
managed an expedition: long journey due west to the Rocky Mountains.

external image moz-screenshot-1.pngexternal image moz-screenshot-2.pngexternal image lewis-and-clark-trail-map.jpgexternal image lewis-and-clark-trail-map.jpgsummertrip2004.gif
This picture shows were Lewis and Clark traveled on the expedition.