Why did people live in larger communities during the neolithic age than in earlier times?

People choose to live in a larger community during Neolithic age than in earlier times because they required and needed a huge number of people for gathering and hunting. They had an enduring shelter, so people decided to attach to a different group so the communities getting bigger and bigger. And aside from that, they could grow sufficient foods to support more people one of this practice is farming.

after defeating german forces in north africa allied leaders turned their attention to "italy," since this was the location that made the most geographic sense before invading northern europe via france.