What statement shows the reason african slaves were brought into the british colonies in southern north america in the 17th century?

The southern colonies' economy had growing labor demands

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.