- 
  
  the first American mill was built.
 - 
  
  A device was made to remove seeds from the cotton
 - 
  
  A journey made by Lewis and Clark. It was during the presidency of Thomas Jefferson, to explore the Northwest.
 - 
  
  The route along which the US government forced several tribes of Native Americans to migrate to.
 - 
  
  Building a sawmill he found gold.
 - 
  
  When the war officially ended with the signing in mexico.