It is important because if their names were on the ration books, they would have been found out by the Nazis and taken away, like all of the other Jews.
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I think the theme of the poem is about a person and people around him/her just don't understand him/her.
The root word is movable because it can stand on it's on as a word, while "im" can not.
Appetite Is what your in the mood for and hunger is the need of wanting to eat something