Need help with U.S History and The Second Industrial Revolution

Describe the impact on the country of the newly implemented railroad system during the Second Industrial Revolution. This should be an essay of at least 450 words. 

Please write your essay in MLA format, and follow the standard five paragraph model. Your essay should have an introduction paragraph, three body paragraphs, and a conclusion paragraph. If you need help with how to write an essay in MLA format or the five paragraph model, please refer to the following links:

You must use at least 2 credible sources other than your textbook and provide a Works Cited page with your sources. Failure to include a Works Cited page will result in a rejected assignment.

Remember to write in your own words and in complete sentences.