What were the 2 places that slaves found refuge? Why

The north of the United States like New York and Canada

Explanation:

“the battle of stalingrad is not a turning point necessarily in strategic terms, because a lot more has to be done before the soviets can be certain of defeating germany,” says renowned world war ii historian richard overy. the germans had fought nearly a thousand miles across the soviet union to get to stalingrad.

b) brahmans   is nomadic society