Q: What impact did the increasing railroad network have on the United States economy? Select one: a. The new railroads opened up trade among different parts of the country. b. The increasing size of the railroad network bankrupted the United States government. c. The growth in the railroads decreased the amount of iron and steel that was demanded. d. organizations like the US Postal Service and mail order businesses suffered because of railroad expansion.

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Explanation: so well the Railroad expansion affected the US economy by creating jobs, establishing a national market, establishing a cattle industry on the Plains, and allowing certain people to acquire great wealth through investing in the railroad.

workers of lowell mills were greatly benefited for the waltham type of work which was more a paternalist kind, trying to protect the integrity of this little girls coming from small farmers and providing an adequate place of work, this in an effort to avoid the issues of bad place conditions and immorality that the people in bigger industrialized cities of great britain were experimenting.

the  wilmot proviso  was designed to eliminate  slavery  within the  landacquired as a result of the mexican war (1846-48). fearing the addition of a pro-slave territory, pennsylvania congressman david  wilmot proposedhis amendment to the bill.