Marbury v. Madison: Marbury v. Madison was the most important case in Supreme Court history. Marbury was a federalists party leader. Marbury didn't get his commission before Jefferson became president. Jefferson told his secretary of state, James Madison, to withhold the commission. Causing Marbury to petitioned the Supreme Court.
Judicial Review: Jefferson strongly disliked the Judicial Review because he thought it violated the principle of separation of powers.
The Louisiana Purchase was a land deal between the United States and France. The U.S. won about 827,000 square miles of land west of the Mississippi River for $15 million. 15 states were eventually created from the land deal, which is one of the most important achievements of Thomas Jefferson’s presidency.
Lewis & Clark: Meriwether Lewis and William Clark led the Expedition. Lewis and Clark began their journey near St. Louis, Missouri, in May 1804. Lewis kept a journal and collected samples of plants and animals he seen to bring back to Jefferson. Lewis and his men was in danger when a group of Blackfeet Indians wanted to steal from them in late July. Two Blackfeet were killed in the conflict. Lewis and Clark split up but joined back up again at the Missouri River and made the rest of the way to St. Louis together.
Pike: Zebulon Pike was a very young military officer and explorer. He tried to find the source of the Mississippi River and explored the Rocky Mountains. Pike was not traveling by the command of Jefferson. Instead, he took his orders from General James Wilkinson.
British impressment of American sailors was one of the major causes of the War of 1812. The British did not respect the American sovereignty. The man point to impressment was to force men into the military.
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Leopard v. Chesapeake
The Leopard v. Chesapeake was an affair about a navel engagement that took place off the coast of Norfolk, Virginia, on June 22, 1807. It all started when the crew of Leopard attacked, and boarded an American frigate, looking for deserters from the Royal Navy. The American commander refused to give up the men and Leopard opened fire. Sadly the American vessel wasn't prepared. They did't plan on fighting. It lasted with four deserters turned over to the British. This incident led to the War of 1812.
Embargo Act was an act about how Jefferson believed that economic force would convince Britain and France to respect America’s neutral rights. The embargo was a complete failure. It hurt the American economy way more than the British or French, and resulted in a widespread smuggling. Jefferson enforced the army and navy to enforce the blockade. At the end of Jeffersons presidency he signed an repeal.
The Non-Intercourse Act was put in place to banned the commercial intercourse between the United States, Great Britain and France, and their dependencies. It was signed 2 days before the end of Jeffersons presidency was signed on March 1, 1809 The Non-Intercourse Act of 1809 replaced the 1807 Embargo Act which had prevented war with Britain and France but had backfired on the government by effectively restrain all American overseas trade.