The document summarizes how the Americas changed during the long 19th century. It discusses how gold rushes drew men to the Americas, leading some to settle down. This was a time of independence for the United States, Canada, and Latin America. The Little Ice Age affected the regions with poor crops and illness. The Louisiana Purchase doubled the size of the US. Maximilian explored and documented Native American culture. The Haitian Revolution saw slaves rebel and gain freedom. The Mexican-American War expanded the US westward. The Indian Mutiny and Crimean War also occurred during this transformative century.