Civil War was the most costly war America ever fought; it lost more men in that war alone than it did in any of its other wars combined. The issues that caused the Civil War had been brewing since the United States was formed. The most important causes Southerners listed for the wars were unfair taxation, states' rights, and the slavery issue.
Southerners felt that the Federal government was passing laws, such as import taxes, that treated them unfairly. They believed that individual states had the right to "nullify", or overturn, any law the Federal government passed. They also believed…
