What event led to the lewis and clark expedition?

stewards ice box was the purchase of alaska from russia and it was called that because people thought it was not a good idea to purchase alaska

the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.