1. Theory
2. Goals?
This is a complete guess
To rule the vast territory, the Qin instituted a rigid, authoritarian government; they standardized the writing system, standardized the measurements of length and weight and the width of highways, abolished all feudal privileges, oversaw large-scale construction of what then became the first Great Wall.
The answer is simple.
<span>"According to research, conscious deliberation about a decision leads to greater satisfaction only when decisions are simple."</span>
Dijksterhuis call this as the deliberation-without-attention effect, which people tend to make better decisions when they don't put careful attention to the matter even if they are facing complex choices.
To protect Constantinople from the Germans, the Emperor Theodosius II, built in the fifth century a triple wall about 12 meters high that surrounded the city
