The south disagreed with helping the former slaves, so the Freedmen's Bureau promised to help poor whites as well as former slaves, so that the african americans wouldn't have a greater education than any white person.
Generally speaking, during the Gilded Age, the US government passed legislation to "<span>b. handle the great number of people living in cities," since there was a great urban shift due to widening prosperity. </span>
The election of 1866 gave them control of both houses of congress.
It could be argued that Chinese schools of thought came out of a period of "<span>b. Chaotic disunity," since a main goal of this thinking was to make sense of "madness". </span>