During the 1870s republicans in congress were willing to leave reconstruction behind. They now turned their attention to
A. improving education in the south
B. the economic growth of the United States
C. aiding the south in rebuilding their cities.
D. reuniting the military.

i can't beat you to a pulp if i'm not close enough.

the answer is option a.

the section of the chart that represents a point at which a bill needs approval from a majority of people in both chambers to advance is j, as this is the only section before the bill becomes law which has both rows (symbolizing the chambers) converging into one, meaning that the two parts of the congress have to approve of it before it can march on with the process.