(Answered): Did expansion of the United States westward after the Civil War “promote the general welfare”

I need an argumentative essay prompt: Did expansion of the United States westward after the Civil War “promote the general welfare” or did expansion benefit the welfare of only a few people? it is important to use this book in order to make this essay: James L. Roark, et al., Understanding the American Promise, 3rd ed., MacMillan, 2017. LaunchPad Format. ISBN-13: 978-1-319-06384-9. use the chapters that I upload for you, from there you will have to get the evidence. also, the instructions are in essay expectations document. sources need to be cited in Chicago.