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In January of 1803, Jefferson requested $2500 from Congress to pay for the costs of the trip. Lewis in the meantime was sent to Philadelphia for intense training by physician Benjamin Rush, astronomer-surveyor Andrew Ellicott, botanist Benjamin Barton, anatomist Casper Wister, and mathematician Robert Patterson. For three months he was tutored in the spring of 1803. In July of 1803, the Louisiana Purchase was announced and Lewis would begin his journey a little more than a month later.

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Q: When did President Jefferson choose Lewis to lead the expedition?
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Who did Thomas Jefferson choose to lead the Lewis and Clark expedition?


Which president financed the lewis and clark expedition?


Who was president of the US at the time of the Lewis and Clark Expedition?

Thomas Jefferson was president at the time of the Lewis and Clark Expedition. infact, he sent Lewis out to explore and Lewis chose Clark to come along. So, Thomas Jefferson had a huge influence on the expedition.

Why did president Jefferson need Lewis and clark on the expedition where?

President Jefferson needed Lewis and Clark to map the Louisiana Territory and to explore it.

Which president matches with the Lewis and Clark expedition?

President Thomas Jefferson. It was 1803.

What president commissioned the Lewis and Clarke expedition?

President Thomas Jefferson commissioned the Lewis and Clark expedition, not long after he bought the Louisiana territory from Napoleon.

Why did Lewis and Clark go to the expedition?

They were paid to do it by President Thomas Jefferson

What US president commissioned Lewis and Clark's expedition?

Thomas jefferson

Who appointed Lewis to lead the expedition west?

President Thomas Jefferson

Why did president Jefferson send Lewis and clark on an expedtion to the west?

president Jefferson send Lewis and Clark on an expedition to the west because president Jefferson wanted to learn as much as he can he could about the land (Louisiana) he bought.

Which US president was in office during the Lewis and Clark expedition?

Thomas Jefferson