Explain how economic factors such as surplus caused political changes during the Neolithic Revolution.

Explanation:

In 500 years, their agricultural skills became increasingly efficient through the use of irrigation and iron farming tools. Eventually, their farms provided more food than needed by the community, encouraging farmers to trade crops such as millet and rice, for other goods

the answer is hope this you.

for the 2 countries u can do china and america because america has a democratic government while china has a communist government.

a democracy is a government run by the people either by directly voting or indirectly by electing representatives. an oligarchy is a government run by a few or a small group of people. a democracy and oligarchy are similar because both in an oligarchy and an indirect democracy, a small group of induvial determine the laws for a large group of people they are different because in an oligarchy it is easier to control and they do not have to answer to a large number of people in the country, unlike a democracy where they do have to answer to a large number of people an county that is a democracy would be the united states. a country that is an oligarchy would be the china.