Why might enslaved Africans be able to join rebellion more easily in the city than the country'?

Anyone who has ever lived in a small town can tell you that people recognize fellow townspeople, and strangers stick out like a sore thumb. And when someone behaves uncharacteristically, it draws attention and invites comment.

In the city, you can enjoy a certain anonymity and freedom , can move activities from place to place and avoid detection , and in a pinch can claim mistaken identity .