What is the relationship between the establishment of early civilizations in river valleys and societal development?

The answer is sub saharen africa

If it’s a full eclipse it’s a total if half way it’s partial and if creates a ring it’s annular

Asylees who have applied for asylum defensively have done so as part of a criminal defense. the correct option among all the options that are given in the question is the first option or option "a". the other options in the question can be negated. i hope that the answer has come to your .