How did the American demographic make-up change in the last few decades few the Twentieth Century? How has that change affected ONE of the
following:
1. Voting patterns and political representation
2. Economic growth
3. Cultural diffusion (the introduction of new cultural traditions or ideas)

The answer is A

A-1. Voting patterns and political representation

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.