I. During Thomas Jefferson's term of office, he sent men to France to negotiate with a view to purchasing New Orleans and West Florida. At that time, Napoleon, who was in dire need of funds for the war, agreed to terms for the sale of a large tract of land from the Mississippi River to the Rocky Mountain Range. This real estate transaction, after bargaining, was finally sold for 3 cents an acre, known as the "Louisiana Purchase". The sale doubled the size of the U.S. territory.
Two, at the same time, Jefferson also sent Lewis and Clark Expedition to survey the northwest region of the United States. He abolished domestic taxes and emphasized the development of agriculture to preserve the national economy.
Three, in 1807, he signed the Embargo Act, which suspended trade relations with the belligerents of the Napoleonic Wars in order to honor America's status as a neutral nation.
IV. In 1808, a ban on the slave trade was declared.
V. From 1812 to 1825, he planned and built the University of Virginia and served as its first president.
Extended Information
Thomas Jefferson's Political Career
Jefferson was elected to the Virginia General Assembly in 1769, and founded the Virginia Committee of Correspondence in 1773 with Patrick Henry and others to fight against the British.
Jefferson became the first U.S. Secretary of State in September 1789, and it was he who organized the U.S. Department of State.
Resigned as Secretary of State at the end of 1793, Jefferson established and led the Democratic **** and Party to fight against the Federalist Party led by Hamilton, which had a significant impact on the formation and development of the two-party system in the United States later.
In the 1796 presidential election, Jefferson was elected vice president after John Adams.
Jefferson was elected the third president of the United States, defeating President Adams in the 1800 presidential election. People called Jefferson's victory the Revolution of 1800 because he signaled the decline of federalism and the rise of **** andism.
Baidu Encyclopedia - Thomas Jefferson