What most contributed to the strength of ancient Chinese dynasties?

The Han Dynasty was able to maintain its bureaucracy and military through a more efficient and thorough system of taxation than many contemporary empires. Additionally, to gain increased revenue, the Han created monopolies on iron and salt.

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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.