What are the reasons for the development of most of the old human civilizations on the bank of rivers?​

experiments.

surveys.

questionnaires.

interviews.

case studies.

participant and non-participant observation.

observational trials.

studies using the delphi method.

answer; ///i believe the correct answer is the empire state building;

answer; early greeks were econimically stagnant and cut off from other near eastern civilizations;