Why didn’t all those being persecuted just leave Germany?

The ones being persecuted were trapped. The Germans had all their information, and the border to every country in Europe was being watched. They were being marched out and moved into ghettos and concentration camps, and were shot dead if they didn't comply. The people were scared, and they had a reason to be.

Explanation:

"the sepoy rebellion was the result of many, many influences and stressors on the cultures of india living under british rule. in britain, it's called the sepoy mutiny on the indian mutiny, but in india, it's called the first war of independence.

the main reason is concerned to the british paramountcy , the belief in british   dominance in india political, economic and cultural life had been introduced in india about 1820."

"they were forced to grow crops that benefited the colonizing nations instead of feeding their own people."

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