北美洲以美国、加拿大和墨西哥三国为主体,美国和加拿大是当代发达的资本主义国家,工业发达,因此北美地区经济贸易体量十分庞大,北美地区也是继西欧、远东和东南亚地区之后集装箱贸易量最大的区域。尤其是美国作为世界级贸易大国,在进入21世纪以前,美国港口一直在北美地区发挥着主导作用,港口发展远远快于周边的加拿大和墨西哥的港口,港口集装箱吞吐量也远远高于这两 North America is dominated by the United States, Canada and Mexico. The United States and Canada are now-developed capitalist countries with developed industries. As a result, North American trade and economic volume are very large. North America also follows the volume of container trade in Western Europe, the Far East and Southeast Asia The largest area. Especially as a world-class trading nation, the United States ports have played a leading role in North America until the 21st century. The development of ports is much faster than that of the ports of Canada and Mexico around. The container throughput of ports is also much higher than this Two