Ancient civilizations were built along rivers because the land was fertile.
This best illustrates the impact of "context effect ".
A context effect is a part of cognitive psychology that
depicts the impact of natural factors on one's view of a stimulus. The effect
of context effects<span> is thought to be a piece of top down outline.
The idea is upheld by the hypothetical way to deal with observation known as constructive perception.</span>
To act according to ones moral values and standards. Children demonstrate prosocial and moral behavior when they share, help, co-operate, communicate, sympathize or in otherwise they demonstrate ability to care about others.
(I DONT KNOW IF MY ANSWER IS CORRECT)
The answer is it allowed people to work further away.
