Barth, Gunter Paul in his book "Bitter Strength: A History of the Chinese in the United States, 1850-1870" depicts the life of Chinese immigrants during the periods of 1850-1870. Barth portrays the experience that the Chinese went through at the Pearl River delta in China to get to the United States and there arrival here in California.

Beginning in the mid-19th century, Chinese immigration to America was influenced by both the "pull" of California's Gold Rush and the""push" created by China's impoverished conditions. Years of drought, floods, disease, and famine ravaged China, a country already burdened with over-population and internal instability. European and American exploits into the region further exacerbated China's economic, political, and social problems. Chinese peasants, particularly in the rural Pearl River Delta area in the southeastern province of Guangdong, were desperate for relief. They began to migrate to urban centers in search of...