Question

how did Ivan the fool get to marry the tsar's daughter?
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Answer 1

Answer:

His brothers enter and inform him that the Tsar is going to give a feast. His daughter, the Tsarevna, is Elena. The man who manages to get her kerchief and bring it to the feast will win her hand in marriage.

Explanation:

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Answer 2

Answer:

For this purpose, he sends three of his imps. ... In the meantime, Ivan uses one of the magical gifts he has gained from the imps to cure the tsar's daughter of her illness. In reward, the tsar gives his-daughter in marriage to Ivan and makes him the ruler of the kingdom. Ivan thus becomes the tsar.