The Lewis and Clark Expedition

The Lewis and Clark Expedition — page 3
And France was not sure it could defend Louisiana if the British attacked So France offered to sell the territory to the United States for 15 million US President Thomas Jefferson was thrilled He was eager for the United States to expand to the west In April 1803 the two nations signed the Louisiana Purchase Treaty Louisiana was now part of the United States The territory covered 828,000 square miles 2,144,500 sq km It reached all the way to the Rocky Mountains Many different American Indian nations lived in this territory But few settlers knew what the area was like 6