The Hall of Supreme Harmony is
a. a Japanese temple in continual use from the 15th century to the present day
b. the most important building in the Forbidden City
c. the most important building in the history of Japan

ᡩᡳᠶᠠᠨ;Möllendorff:amba hūwaliyambure diyan) is the largest hall within the Forbidden City in Beijing, China. ... Built above three levels of marble stone base, and surrounded by bronze incense burners, the Hall of Supreme Harmony is one of the largest wooden structures within China.

The answer is B.

Source wikipedia

Explanation:

well first we can compare on what the slave masters ate and what the slaves ate well the masters ate fancy great food like chicken rice mash potatose and stuff like that and slaves ate well food that your not suppost to eat like the weird parts of turkey and chicken and slaves master chilled beat and eat and slaves work get beat and get little of sleep there you go

b. ensure mutual protection from communism.

.