How did the early man shift …

1.  Agriculture has changed life of human beings drasticaly.  Early men used to live nomadic life, they were hunter-gatherers but after the development of agriculture or farming, humans started forming settlements.
2.  In these settlements, people began farming, building permanent shelters  like mud houses or thatched houses, making better tools and clothing.
3.  The surplus production of food grains helped humans to concentrate on other activities like trade and commerce,craftsmanship,teaching,builders and administration etc.
4.  They also found important uses of animals. They started taming or domesticating sheep, dogs, goats, and cow etc. They used the animals for various purposes like to carry heavy burdens over long distances,for wool,milk and security purposes etc.
5.   Each of these changes made humans life more stable and comfortable.They started evolving into more civilised and advanced humans.