Why might have African Americans felt a connection to the Communist Party at the time in
terms of ideology

Many African-Americans turned to the Communist because they had become disenchanted with the mainstream Civil Rights Movement. They were looking for an outspoken and reactive alternative to the more passive and non-violent predecessor.

Hope this helps!

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.