The Himalayan Mountains created a natural protective barrier. Many civilizations have benefited from natural protective barriers. Egypt had the desert, Switzerland had the Alps, the Alps saved Rome too.
Answer:
They were forced to live in concentration camps in the western interior of the country.
The 1920s in the United States, in the years leading up to the great crash of 1929, were a period of rapid economic development, brought about in many ways by mass production during and after World War I. A rebirth of advertising allowed more of these goods to be purchased, which greatly increased US GDP.
