How did the emperors of the han dynasty encourage and protect chinese culture? they mandated daily religious rituals. they revived chinese literature and poetry. they taught the art of silk making to foreigners. they sought experts on the art of paper making.

explanation:

an oligopoly is a term used to clarify the structure of a particular market, industry, or organization. a market is considered oligopolistic or amazingly focused when it is shared between a few companies.

b because they both had so of the same chosen rules