Why did the ming dynasty need to rebuild the great wall of china, rather than continue to use the wall built by the qin dynasty and its early successors?
a. the old wall had fallen into disrepair.
b. the old wall had been demolished during the yuan dynasty.
c. the old wall had sunk below rising sea levels.
d. the old wall protected only the southern border.

A. The old wall had fallen into disrepair.

it is the dominance of   the spanish language and roman catholic region in mexico, french being the official language of several african countries, and the existence of a western-style government in south asian countries

the lowest among the social higher rank were the working class. this class remained detached to the political progression   of the country and was hostile to the other two classes