The Jefferson Era (1800-1815)
  
  
  
    
      
      
    
  
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            Second president of the US.
          
        
          John Adams
        
      
 
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            The Declarations's main author.
          
        
          Thomas Jefferson
        
      
 
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            Us Secretary of state, he later became the Chief Justice of the US Supreme Court
          
        
          John Marshall
        
      
 
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            An expidition led by Meriwether Lewis and Willian Clark the began in 1804 to explore the Louisiana Purchase.
          
        
          Lewis and Clark Expidition
        
      
 
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            He led the Lewis and Clark Expidition.
          
        
          Meriwether Lewis
        
      
 
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            She accompanied and aided Lewis and Clark on their expidition
          
        
          Sacagawea
        
      
 
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            He was ordered to find the headwaters of Red River. He attempted to climb Pikes Peak in Colorado.
          
        
          Zebulon Pike
        
      
 
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            A large warship
          
        
          USS Constitution
        
      
 
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            A law that prohibited American merchants from trading with other countries.
          
        
          Embargo Act
        
      
 
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            A meeting of Federalists at Hartford, Connnnneticut to protest the War of 1812
          
        
          Hartford Convention
        
      
 
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            A treaty signed by the United States and Britain ending the War of 1812.
          
        
          Treaty of Ghent
        
      
 
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            Members of Congress who wanted to declare war against Britain after the Battle of Tippecanoe
          
        
          War Hawks
        
      
 
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            The Supreme Court's power to declare acts of Congress unconstitutional.
          
        
          Judicial Review
        
      
 
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            US Supreme Court case that established the principle of judicial review.
          
        
          Marbury v. Madison
        
      
 
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            The purchase of French land between the Mississippi River and the Rocky Mountains that doubled the size of the United States.
          
        
          Louisiana Purchase