The main purpose of the freedmen's bureau was to
a) slaves adjust to their newfound freedom.
b) battle terrorist groups like the ku klux klan.
c) serve as a voice for freed slaves in congress.
d) establish black codes to limit freed slaves’ rights.

b) race riots in several cities

judaism, christianity and islam, are all abrahamic religions and therefore have in common the hebrew idea of a single god which is the source of all morality. the idea of the covenant is only related to judaism, while dharma is a concept of indian religions and the four noble truths are basic principles of buddhism.