进入19世纪之后．随着西方产业革命的逐步完成，资本主义列强为了本国经济发展需求．急于开辟海外市场和原料产地，攫取高额利润。当时非洲、美洲的大部分国家已经沦为它们的殖民地、半殖民地，中国这个地大物博、尚未受到世界殖民浪潮全面冲击的东方大市场，开始成为它们的主? After entering the 19th century. With the gradual completion of the Western industrial revolution, the capitalist powers have sought for the development of their own economy. Eager to open up overseas markets and raw materials origin, to seize high profits. At that time, most countries in Africa and the Americas had become their colonies, semi-colonies, and the vast east China market that had not yet been hit hard by the global colonial wave and became their mainstay.