Vocab-

• Lewis and Clark

Two men who set out to explore the land in the newly purchased land of Lousiana.

• Aaron Burr

Jefferson's running mate during the election. He lost.

• John Marshall

John Marshall served as chief justice of the United States Supreme Court for more than three decades, during which time he helped increase the power and prestige of the Federal court system

• Judiciary Act of 1801

A law that increased the number of federal judges, allowing President John Adams to fill most of the new posts with Federalists

• midnight judges

One of the judges appointed by John Adams in the last hours of his administration

• Marbury v. Madison

A 1803 case in which the Supreme Court ruled that it had the power to abolish legistlative acts by decalring them unconstitutional; this power came to be known as judicial review.

• judicial review

The supreme court's power to declare an act of Congress unconstitutional

• Louisiana Purchase

The 1803 purchase by the United States of France’s Lousiana Territory -extending from the Mississippi River to the Rocky Mountains- for 15 million.