What was one result of the spread of buddhism?

Eightfold Path is one of Buddhism’s teachings under the four noble truths. Others are the Noble Truth of the reality of Dukkha as part of conditioned existence The Noble Truth that Dukkha has a causal arising The Noble Truth of the end of Dukkha. These were the foundations that sprang numerous teachings on the religion. The fourth noble truth, the path that leads to Awakening serves as a guide to liberation or end of suffering. The eight fold path is further divided into 3 elements; moral (speech, action, livelihood), mental (effort, mindfulness, concentration) and wisdom (understanding and thought).  

The answer is monsoons.