图1 南方种植园的黑人奴隶在收割、运送棉花.(原图为油彩画,原件存美国纽约博物馆.)图2 南北战争前,北方资本主义生产已相当发达,出现了许多工厂、矿山.这是北方工人在工厂劳动的情况.(原图为照片,原件存纽约历史学会.)图3 拍卖黑人奴隶的情景.图中英文广告写的是:“大贱卖.出卖黑人、马匹、牲畜及其它物品”.这是一个拥有六口之家的黑人奴隶家庭,被奴隶主带往奴隶市场进行拍卖.父亲(左四)已被一个奴隶贩子买走,三个大孩子被撂在一旁等待着买主,最小的孩子正在被奴隶贩子提到台上大声叫卖, Figure 1 The black slaves in the southern plantation are harvesting and transporting cotton. (Original illustration is oil paintings, the original was deposited at the Museum of the United States in New York.) Figure 2 Before the Civil War, the northern capitalist production was quite developed, and many factories and mines appeared. It is the situation of workers in the north working in the factory. (The original picture is a photograph, and the original is in the New York Historical Society.) Figure 3 The scene of auctioning black slaves. The English and Chinese advertisements in the picture are written as: “Big sells. Sells black people, horses, livestock. And other items". This is a black slave family with a family of six. It was taken by the slave owners to the slave market for auction. The father (fourth from left) was bought by a slave trader and the three children were taken side by side. Waiting for the buyer, the youngest child is being mentioned by the slave trader as loudly on the stage.