Cause and Effect

In "Urashima Taro and the Princess of the Sea", the boys were hurting the tortoise which caused Urashima to help. He did which caused the tortoise to live.

In "Come Again in the Spring", the birds helped the man answer the three questions asked which caused him to live a year longer.

In "Urashima Taro and the Princess of the Sea, Urashima Taro had never hurt anything which caused him to help the tortoise when the boys were beating it.