What experience did William Clark have that might help him be successful during the expedition?

The Lewis and Clark Expedition began in 1804, when President ... Lewis chose William Clark as his co-leader for the mission. ... Seven years later, Lewis chose him to embark on an epic excursion that would help shape America's history ... During the French and Indian War, France surrendered a large part.  The expedition lasted from May 1804 until September 1806. They failed to find a waterway from the Mississippi to the Pacific, but succeeded in documenting more than 100 new animals and 178 plants, as well as providing 140 maps of the region.

Explanation:

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).

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