What two process spread agriculture around the world

The two process that spread agriculture around the world are diffusion and slow colonization or migration of agricultural people (growing populations pushed them outward).
Diffusion take place when a social group started to spread pioneering idea among its members such as agricultural technology. Slow colonization happens when a social group tried to maintain activity that always been done in the past such as gathering and agriculture.

The renaissance was a major turn in history. many new ideas and technological advances came into place. it was a time of new thinking, where many were inspired by enlightenment beliefs. most people were branching out from what the government or the catholic church was saying, and using science to answer questions about the world around them. it was also a time when the arts were booming. artists, musicians, mathematicians, philosophers, and historians were becoming more and more of a respected society. the renaissance was a major turn in history.