After abu bakr succeeded muhammad, how did he unite arabia and its surrounding territories?

federal power is further limited with a system of checks and balances that gives each branch of government a measure of power over the others.

explanation:

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.