An escape from a place indeed requires money as it consists travelling. And also, making an escape is not easy. There are many officials who keep an eye on everything so it is a risk. Other than that, usually someone who has to escape, takes someone's help who in turn asks for a price. Which, in this case, the Jews had no wealth with them.
Tenant farming encouraged the rise of a new class of wealthy black farmers.
I believe that the answer to the question provided above is may of the artworks in 1920 which uses cubism are usually in relation with the WW1.
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