Smoking actually increases certain infections.
2nd one because those were the areas with the best water to grow the planbts.
Answer:
Chinese immigrants were particularly instrumental in building railroads in the American west, and as Chinese laborers grew successful in the United States, a number of them became entrepreneurs in their own right.
Explanation:
What was the main contribution of Chinese immigrants?
Although the Chinese immigrants in the late nineteenth century faced many hardships, they had a profound effect on America. Primarily, the Chinese supplied the labor for America's growing industry. Chinese factory workers were important in California especially during the Civil War.
So, I probably shouldn't put this in the 'Answer' section, but first off, Roman, second off, whats the question precisely?
