The prisoners in Nazi concentration camps had to move a lot from camp to camp, as Allied soldiers were coming to liberate them. In order to not get caught, everyone in the camp had to leave and go to another one. If this is not correct, let me know please.
It's basically the theory that the earth is at the center of our cosmos rather than the sun.
North, the Underground railroad was invented for people who were slaves to escape their owners. The slaves followed the Big Dipper(pointing north) to get there
Locke wrote that all individuals are equal in the sense that they are born with certain "inalienable" natural rights. That is, rights that are God-given and can never be taken or even given away. Among these fundamental natural rights, Locke said, are "life, liberty, and property."