Tell me everything about the Civil war Oversimplified... (20 points) plus brainliest plus high rating if you get it correct if not sry but no and ill give you low rating...

The Civil War in the United States began in 1861, after decades of simmering tensions between northern and southern states over slavery, states’ rights and westward expansion. The election of Abraham Lincoln in 1860 caused seven southern states to secede and form the Confederate States of America; four more states soon joined them. The War Between the States, as the Civil War was also known, ended in Confederate surrender in 1865. The conflict was the costliest and deadliest war ever fought on American soil, with some 620,000 of 2.4 million soldiers killed, millions more injured and much of the South left in ruin.In the mid-19th century, while the United States was experiencing an era of tremendous growth, a fundamental economic difference existed between the country’s northern and southern regions. In the North, manufacturing and industry was well established, and agriculture was mostly limited to small-scale farms, while the South’s economy was based on a system of large-scale farming that depended on the labor of Black enslaved people to grow certain crops, especially cotton and tobacco. Growing abolitionist sentiment in the North after the 1830s and northern opposition to slavery’s extension into the new western territories led many southerners to fear that the existence of slavery in America—and thus the backbone of their economy—was in danger.

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affirmative action refers to the policies that take gender, race, or ethnicity into account in order to promote equal opportunity.

employers subject to title vii are prohibited from taking race or sex into account in any employment decisions. aa is a penalty for having any job group substantially statistically "underutilized" in any race or either sex. the employer must take steps to eliminate the underutilization, then stop, ending its aa efforts