This state of Affairs in America was formed due to the fact that the North was industrial and the South agricultural. Southerners needed the equipment that produced the North, and factories in the North needed the raw materials of the Southerners. The main sowing crops of the South was cotton, which was paid well in Europe, but cotton was shipped to Europe on the ships that belonged to the North. And those using it take the high cost of the transport of cotton across the Atlantic to Europe. The northerners raised import duties on equipment imported from Europe, which was cheaper than in North America. Northerners also banned the import of slaves from Africa and as a result of the price of slaves greatly increased. In addition to this free land of the West, the Northmen gave to the citizens of the United States and forbade slavery. It was no reason why the civil war began, but the trigger for the beginning of military action were Southerners' attacks on Fort Sumter in Charleston Bay on April 12, 1861. The main goal of Southerners in the war was the recognition of the independence and sovereignty of the Confederation. Northerners fought to preserve the Union and integrity of the country. The war lasted from 1861 to 1865. The civil war remains the bloodiest in U.S. history. The result of this war with heavy losses was to preserve the unity and eliminated slavery as