What led to early villages evolving into complex societies? 1)People specialized in tasks that helped with food production and hunting.
2) When bad weather caused flooding, people could build new structures in a new location.
3)When food was in short supply, farmers could go to special storage areas and distribute food to the most useful
people.
4)The climate and reliable water supply resulted in food surpluses that were used for growth and trade with other
villages

The correct answer is 4) The climate and reliable water supply resulted in food surpluses that were used for growth and trade with other villages.

Explanation:

First villages were the result of humans becoming sedentary and learning how to produce food through agriculture and herding. Moreover, the first villages were created near rivers or lakes because this meant constant availability of water. These factors caused over time the process of surviving was easier, which means more people could survive. At the same time, communities produced more than they could consume (surplus), which caused first communities could trade or change products with others. These were perfect conditions for communities to slowly grow into cities and later empires. According to this, the correct answer is 4.

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.