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.

The correct answer that would best complete the given statement above would be option A. The main  purpose of the freedmen's bureau was to help slaves adjust to their newfound freedom. Some former slaves exhibited anger toward their former masters, some were very concerned about their futures and concerns, and some ran away immediately. Hope this answer helps. 

The answer is b or dmost likely bhope it