3) What did Chizuko Hamamoto, Sadako's best friend, make for her? What legend did she tell Sadako about cranes? ​

Ответ:

Chizuko Hamamoto, Sadako's best friend, made a thousand paper cranes for her. She believed that by folding a thousand paper cranes, Sadako would be granted her wish to live.

Chizuko also told Sadako the legend of the crane, which says that if someone folds a thousand paper cranes, their wish will be granted by the gods. She encouraged Sadako to fold as many cranes as she could in order to make her wish come true.