Answer:
he was on a journey to find a Western Passage
Explanation:
he was looking for a sea route to china and india to find goods.
The purpose of the Lewis and Clark expedition in 1804-1806 was the first American expedition to explore the west, and map the newly acquired territory. They also wanted to find a practical route, and establish themselves. Studying the wildlife - plants, animals, etc - and establish trade with local indians was also an objective of the expedition!
The First Crusade was the only crusade that managed to achieve its goal of recapturing Jerusalem.