19世纪初期的美国是个不折不扣的农业国,530多万人口中有94%生活在乡村。当时,经济最为活跃的部分是大西洋沿岸的出口贸易。在远洋贸易中致富的北方商人,开始投资国内制造业,特别是纺织业,增加了东北部地区对棉花等农产品的需求,促进了自东向西的移民活动及西部农业开发。美国 The United States in the early 19th century was an absolute agricultural country with 94% of the 5.3 million people living in rural areas. At that time, the most economically active part was the export trade along the Atlantic coast. Northern merchants who became rich in ocean trade began to invest in domestic manufacturing, especially in the textile industry, increasing demand for agricultural products such as cotton in the northeastern region, promoting immigration activities from west to east and developing agriculture in the west. United States