The role of traditional residential areas

Ancient settlements have the following functions:

1, unite to resist foreign enemies, because at that time, personal strength was weak and tools and weapons were backward. Only by uniting can we have stronger strength.

2, increase the labor force, because the production tools were backward at that time, basically relying on manpower, so only more people can produce more things.

3. Increase the population and reproduce. Because of the poor medical care and living standards at that time, people's average life expectancy was very low, that is, they died early. Therefore, only by uniting and having more people can a race not become extinct.

4, there are other functions! .