History of immigration to the United States 1850. In 1848, the Treaty of Guadalupe Hidalgo, concluding the Mexican War, extended U.S. citizenship to approximately 60,000 Mexican residents of the New Mexico Territory and 10,000 living in California. An additional approximate 2,500 foreign born California residents also become U.S. citizens. In 1849, the California Gold Rush attracted 100,000 would-be miners from the Eastern U.S., Latin America, China, Australia, and Europe. California became a state in 1850 with a population of about 90,000. Between 1850 and 1930, about 5 million Germans migrated to the United States, peaking between 1881 and 1885 when a million Germans settled primarily in the
Asylum architecture in the United States of America changes in the practice of psychiatry. With the ascent of neurology, which focused attention on mental illness as a result of physical causes, the environment ceased to seem like an important cause or likely cure, and a new generation of doctors regarded architecture as irrelevant to the practice of psychiatric medicine. Asylum architecture in the United States of America Asylum Architecture in the United States, including the architecture of psychiatric hospitals, affected the changing methods of treating the mentally ill in the nineteenth century: the architecture was considered part of the cure. Doctors believed that ninety percent of insanity cases