Although most humans remained nomadic for a time, some settled into permanent places in areas that provided for them year-round. Rivers and estuaries (where a river empties into an ocean) were ideal for meeting their needs. Settling and staying in one area allowed humans to make their next big leap forward. Give three examples of changes or improvements living in one place made.

Permanent houses, hospitals, schools and cultivation of crops.

Explanation:

Settling and staying in one area or location allowed humans to make permanent houses where they lived forever because that area has all the facilities available which is necessary for living. Humans also started to cultivate food crops instead of hunting in order to fulfill their food needs. Humans also make hospitals and educational institution for themselves in order to educate their children and maintain their health status.

answer; ///the correct answer is,by introducing a merit system of nobility.