Decline of rural living, but sparked tremendous amounts of economic growth eventually. Early urbanization was filthy though, no proper sewage, overcrowded cities. So many people surged into these urban areas at one time, often not finding enough jobs for everyone.
Puerto rico is close to China, and america wanted the goods that were in China
The correct answer is airlines. The area of airlines that the government deregulation benefits both businesses and consumers. The airline was more of expensive and specific routes, whereas, in the government deregulation, it made the schedule and routes of the airlines more flexible and price competition were tight and made the tickets way more cheaper for the travelers.
A the equal protection clause in the 14 amendment
That would be Adolf Hitler, as stated in this source (History.com) "Hitler appointed a new Nazi government, and on March 13 the Anschluss was proclaimed. Austria existed as a federal state of Germany until the end of World War II, when the Allied powers declared the Anschluss void and reestablished an independent Austria."