Marbury vs. Madison & Louisiana Purchase Marbury vs. Madison (What you have to know) • Judicial Review – The Supreme Court has the authority to check the power of the President & Congress. • The Supreme Court can declare laws (acts) passed by Congress and enforced by the President as “unconstitutional.” This makes the laws void! Louisiana Purchase (Jefferson’s Gamble) • New Orleans was an important port, where over half of American exports traveled through (access to Atlantic Ocean & at the mouth of Mississippi River). • Spain traded Louisiana Territory to France (secret Treaty). Louisiana Purchase cont. • Just before the trade happened – Spain closed down the Port of New Orleans & the lower Mississippi River to American shippers. • President Jefferson sends Robert Livingston & James Monroe to go to France to work out a deal. Louisiana Purchase Cont. • Tallyrand (representative for Napoleon) offers to sell Louisiana to America for $15 million. • Napoleon needed cash quick because of the war with England and the slave revolt in Hispanola. Francois Dominique Touissant L’Ouverture Louisiana Purchase Cont. • Jefferson is not sure if it is “Constitutional” to make such a purchase as President. He is not sure if he has the “Power.” • He makes purchase anyway—for c. $.04 per acre--Senate approves purchase--Doubles the size of the U.S. Lewis and Clark • Jefferson needs some trusted men to explore the new territory • Lewis, Clark, and the Corps of Discovery leave St. Louis in May of 1804 Map of Expedition Native Encounters Journey’s Highlights • Spent the Winter with the Mandan People—contracted STDs • Hired an interpreter and his pregnant wife to help with communicating with Indians— Sacagawea • Had a tense encounter with the Teton Sioux, but made it through unharmed and continued on Sacagawea Journey’s Highlights • Shoshone Indians sold them horses that allowed the Corps to portage and survive the Rockies even in the dead of winter • Reached the Pacific Ocean in late 1805—realized there was no Northwest Passage across the continent