D. By threatening the independence of the legislative 21. 11a The expansion of the railroad industry in the 1800's was a positive development for
A. Native Americans who got jobs from the railroads
B. other industries, like steel, who provided resources to the railroad companies
C. poor Americans who could now afford to travel west on the free cars
D. Lewis and Clark because it made their expedition more efficient

in the 1800s, chinese workers migrated to the united states, first to work in the gold mines, but also to take agricultural jobs, and factory work, especially in the garment industry. 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. as the numbers of chinese laborers increased, so did the strength of anti-chinese sentiment among other workers in the american economy. this finally resulted in legislation that aimed to limit future immigration of chinese workers to the united states, and threatened to sour diplomatic relations between the united states and china.

russia because it is the biggest state