Which of these was the most important reason for the success of the economy of Han China

Out of the following, the most important reason for the success of the economy of Han China was the Han control of the Silk Road trade.

Explanation:

Emperor Han Wudi, popularly known as Emperor Wu, established the Silk Road and paved the way to the economic development of the Han Dynasty. This road enabled the Chinese traders to reach the faraway countries of Eurasia and do trade with the people there. This ultimately brought prosperity to the region and gave Han Dynasty the recognition of a successful economy.