⑬Most slaves were not allowed to learn how to read or write.⑮Then how did they manage to nd the routes? ⑯Tt is said that SOngS known as spirituals contained secret rmeSSagど8- ⑮ For example, “angels” meant “conductors” and “Jordan” meant “the Ohio River” Slaves sang the spirituals within their families, but not in the presence of white people- ⑬⑲In this wa the slaves learned the routes to freedom. な。 Ei 2 ほとり に ーー 6 ム croS horn 1ntO