【推荐几本关于旅行的书】《孤独星球》；《每一次相遇都是奇迹》；《欧洲童话村之旅》；《醒来，在地球的一个角落》；《灰屋顶的巴黎》；《拐哪个巷·巴黎》；《独立，从一个人旅行开始》《东京·村上春树·旅》；《自在台湾》；《叫醒布拉格》；《背包十年》；《印度走着瞧》。
Washington, who had begun to believe that all men were created equal after observing the valor of black soldiers during the Revolutionary War, overcame the strong opposition of his relatives to grant his slaves their freedom in his will.
美国的南北战争起因于奴隶制存废之争，南方用奴而北方虽反对但只求限奴，当反对奴隶制的林肯当上总统，尽管他在就职宣誓中承诺保留奴隶制，但南方十一州还是宣布脱离联邦成立邦联。这段历史告诉我们美国的联邦制也不是进退完全自由的，美国人也应该从这段历史中认识到不应干涉别国反分裂求统一的作为。
