Human groups and culture

Because of the social nature of man, he may have developed a culture that is definitely what distinguishes us from other animals.

If man had not met in small groups, then in villages, towns and cities, it might have disappeared due to the dangers of those early days. 

Animals were much stronger than the man who could serve as prey.

The man joined in hunting parties, obtaining the sustenance of these early human settlements. 

Also to gather in groups, he managed to develop the culture of carved stones, then the discovery of metals and even  today we have sights set on Mars and beyond ...