In Europe: economic recovery from the war, fear of another war breaking out.
In the US: return to isolationism and a focus on a growing consumer market
In Asia: establishment of their government to taken seriously by other world powers.
The Interwar Years varied dependent upon the country or area of the world. Those on the losing side faced more difficult situations with severe economic depression and devastated national morale.
Answer:
They had a surplus of food, they divided labor and built cities.
After the development of the irrigation systems, they could grow more wheat and that meant more food for the growth of the population.
They divided labor between themselves. Who will harvest crops, who will tend to the irrigation systems, who will tend to fields. They had a lot of other workers such as carpenters or soldiers and that means that they knew how to divide labor between the population.
They started to build cities so they could work together, trade, store food, and the cities grew as more and more people came to live there.
Actually, Hitler took control of a very desperate Germany after ww1 when they were dramatically left in pieces. He began to put a thought in his head that he could control the whole world and make them pay. To serve as a message, he began to wipe an entire race, known as Jews. These Jews were put in camps called concentration camps to either be burned or be worked to death. During the Battle of Burling Hitler married his soul mate and committed suicide 2 days later so he wouldn't be captured. His corpse was then burned.
Inca were known for their cruelty and often killed people, but they would not be killed. Rather, they would be separated and sent to different regions, sometimes where other languages were spoken, to make it impossible for them to organise further rebellions.