General Information The ________________________ was not underground. Because escaping ___________ and the people who helped them were technically breaking the law, they had to stay out of sight. They went “underground” in terms of concealing their actions. Sometimes they even _________ in unusual places. Many ___________________ ideas helped slaves during their escape. When abolitionist ( 废奴主义者 ) John Fairfield needed to sneak( 偷偷摸摸地进行 ) 28 slaves over the roads near Cincinnati, he hired a hearse ( 灵车 ) and disguised the group as a funeral procession. Henry “Box” Brown, a slave, had himself shipped from Richmond to Philadelphia in a wooden box. 2.Routes to Freedom The routes the slaves traveled ____________ in this map. The trip is 560 miles (900 kilometers) long. A strong, lucky runaway might have made it to freedom in two months. For others, especially in bad weather,the trek ( 跋涉 ) might have ____________ a year.