Question

the last leaf is a story of supreme sacrifice
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Answer 1

The last leaf is the story of supreme sacrifice because the Behrman sacrificed himself for saving Johnny and to make his masterpiece. He never think of his life while making the sketch of leaf, he only wants to save that girl, Johnsy

Answer 2

Answer:

no it's not about that it was like a girl who was to die when the ivy creepers last fall falls

but yes as a criteria of Mr berman you can say as a sacrifice he had maded a masterpiece as artificial leaf and saved life of sue and he died due to pneumonia