Here is the correct answer of the given question above. The Lewis and Clark expedition was to explore and learn more about the Louisiana territory. The objective that was not on the Lewis and Clark expedition is they never reached the Pacific Ocean. Hope this answer helps.
The correct answer to this open question is the following.
Although there are no options attached to this question, we can answer it. What was not an objective of the Lewis and Clark expedition was "to reach and explore the Gulf of Mexico."
The Lewis and Clark expedition was ordered by President Thomas Jefferson in 1804. The idea was to explore the newly acquired territories after the Louisiana Purchase of 1803. So Meriwether Lewis and William Clark started the expedition that lasted two years. In 1806, both pioneers returned to Washington D.C. to inform President Jefferson about the results of the expedition.
