Under indirect rule, native culture was
a)accepted to some degree.
b)subject to cultural conversion.
c) seen as equal to western culture.
d) adopted by many westerners.

A)accepted to some degree.

Explanation:

According to the question,native culture is the culture that possess traditional values, costumes,ritual, practices, believes etc .This culture is accepted till certain limit as per indirect rules as ruling of one country is done by another country.They display certain control and restriction on country as they want their culture to be part of society too.

Other options are incorrect because native culture was not topic for cultural conversion, adapted by Westerners or was equal to Western culture.Thus, the correct option is option(A)  

the government paid religious orders to provide basic education to native american children on reservations. in the late 19th and early 20th centuries, the bureau of indian affairs (bia) founded additional boarding schools based on the assimilation model of the off-reservation carlisle indian industrial school.

i would say your answer is a)

sorry if im wrong