100 points the american civil war, 1861–1865, resulted from long-standing differences and questions not fully resolved when the united states constitution was ratified in 1789. the issues were primarily that of slavery and states’ rights. with the defeat of the southern confederacy and the following passage of amendments to the constitution, the civil war’s lasting effects include abolishing the institution of slavery in america and firmly redefining the united states as a single, indivisible nation rather than a loosely bound collection of independent states. after reading chapter 2 (pages 539 – 557) thoroughly, reflect on what you read about what led up to the civil war and what transpired during the 4 years of war. why do many scholars consider the civil war to be the first modern war? use evidence from the chapter to support your answer. your response should be a minimum of 5 sentences. use evidence from your history text the human odyssey (quotes, details, facts, examples) to support your answer. make sure to answer the question in detail.