How might technological advances have encouraged western expansion?

Every time you quote from the textbook or use information from the textbook, you have to use quotation marks and give the page number where the quote can be found. Failure to cite your sources will be counted against you.You should also follow standard expository composition format. You should have a short (not more than one paragraph in a paper this length) introduction and a short conclusion. You should spend most of your paper laying out your points and supporting them with evidence drawn from the textbook. the textbook that would have to be a source should be: Kamensky, Jane, et al, A People & a Nation: A History of the United States, Volume II: Since 1865, 11th edition, Wadsworth/Cengage Learning, 2019.The Gilded Age–the period between the end of Reconstruction and the 20th century–marked an era of expanding horizons for Americans. How might the expansion into the West have created a need for better communications? How might technological advances have encouraged western expansion? How might the closing of the frontier, the development of communication, and the use of personal conveniences have shaped Americans’ understanding of the world? How might these events have created an optimism and a faith in progress among Americans?