According to the graph, almost as many deaths occurred in the Civil War compared to other U.S. wars combined. In fact, there were approximately 655.000 deaths in the Civil War (between both sides), and almost 700.000 in all the other U.S. war added together. So with this data we can affirm that the Civil War was the bloodiest conflict in American history
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Positive: <span>faster and safer transportation from coast to coast, larger amount of goods ship faster, cheaper for travel, and helped unpopulated areas get settled easier
Negative: Buffalo were killed in large numbers, Natives lost their land, and brought a lot of western settlers take over native lands.</span>