The demilitarized zone is a barrier that divides the Korean peninsula in half. It was created between North Korea, the People's Republic of China and the United Nations in 1953.
It was created as a way to protection.
During Shang dynasty, the society was divided into different
social classes. These were:
<span><span>
(1)
</span>the king and aristocracy, who held the highest
position in the society and was responsible in governing areas in the dynasty;
</span>
<span><span>(2)
</span>the military or the warriors, which was
responsible in protecting the dynasty and were next in line in the social
class;</span>
<span><span>
(3)
</span>the middle class, composed of craftsmen and
artisans, were workers of the dynasty and were paid with bronze; </span>
<span><span>
(4)
</span>lastly, the peasants or farmers, who were
responsible in toiling land.</span>
Military geography, adopted in the territorial knowledge of war areas, begins to be rescued by academic circles.
They used geography of the countries in the favor of their side, so was important to know the geography because if helped them to win some fights, because of this knowledge.