The economic factors were desires to find new markets for trade. By extending colonial power throughout the world, the US would have new trading partners and markets.
Holmes wanted to look at the hotel register to make sure if the man was staying at their hotel. He came to know that he was not. There were other people staying there.
Sir Arthur Conan Doyle wrote "The Hound of the Baskervilles" which is a crime novel and the main character in the novel is the famous detective Sherlock Holmes.
The answer is Fort Laramie. The Fort Laramie treaty in the year 1851 was a treaty between the United States commissioners and the representatives of the Sioux, Cheyenne, Crow, Arapaho, Mandan, Assiniboine, Arikara, and Hidatsa Nations. It was set for the traditional claims of the tribes.
