Analyze the reasons for the northern victory of American Civil War.
The northern forces have an absolute advantage. There are 23 states in the north, accounting for 3/4 of the national area. North Korea has concentrated 86% of the country's industrial production, 70% of railway lines, 80% of bank capital and 97% of weapons production. Springfield Arsenal has an annual output of 200,000 rifles 1862. By 1864, the northern military factories had produced all kinds of weapons 170000 pieces. In terms of manpower, the north also has an absolute advantage. The population of the north is 22 million, which is more than twice that of the south, so the number of troops in the north has always been more than twice that of the south. At the beginning of the war, the northern regular army16,000 people, and the strength increased rapidly during the war: 186 1 July,187,000 people; 1862 March, 637,000; 1863 1 month, 9 1.8 million; 1864 1 month, 860,000 yuan; 1865 1 month, 956,000; The number of recruits in the north is 2.765 million. North * * * is divided into 18 Military Region and 2 1 Army (1864), each with 2-3 divisions and 3 brigades with 6,200 people; Each brigade has two regiments, each with a company of 80- 100 people. The institutions in the south are roughly the same. Later, the two sides also formed a group army, and each group army usually consists of two armies. During the war, 1696 infantry regiment, 272 cavalry regiment and 78 artillery regiment were formed in the north. In terms of the navy, at the beginning of the war, the northern navy had 7,600 people and 90 ships of various types, including 30 new steam warships. During the war, the north spent 3.66 billion yuan on war expenses. The fundamental weakness of the south is the disparity in economic strength between the two sides, which doomed their failure. In short, the north is superior to the south in military, economic, political and diplomatic aspects.