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:

nationalization is the set of dispositions and operations by means of which the state assumes, in varied form, the administration of private companies, of groups of companies or of the totality of certain economic sectors previously managed by individuals, such as the land portions. nationalization is the opposite of privatization. it is also called nationalization of the means of production, although a nationalized company can be previously both national and foreign ownership. nationalization or nationalization is a very characteristic action of ideologies such as socialism and nationalism.