How did East Asia's highlands affect human settlement? People were forced to live a nomadic este due to the rocky terrain and deserts
people were unable to remain in the highlands ekaning the water alle to the harsh climate
people were forced to abandon their settlements due to a lack of basic natural resources
People were unable to survive without the help of people from other regions of ancient China

People were forced to live a nomadic lifestyle due to the rocky terrain and deserts.

Explanation:

Nomadic people move from one place to different during seasonal changes with their cattle in search of grass. East Asia's highlands are marked by barren land, scarcity of water, and steppes. Nomadic herders roam in small groups and have no stable home. Nomadic people eat through gathering vegetables, fruits, hunting, and raising livestock.

really and truely i dont know sorry

cultural/diplomatic relations. most medieval japanese   culture has chinese origins. writing, architecture etc.