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.                                                                                                    

when world war i broke out across europe in 1914, president woodrow wilson proclaimed the united states would remain neutral, and many americans supported this policy of nonintervention. however, public opinion about neutrality started to change after the sinking of the british ocean liner lusitania by a german u-boat in 1915; almost 2,000 people perished, including 128 americans. along with news of the zimmerman telegram threatening an alliance between germany and mexico, wilson asked congress for a declaration of war against germany. the u.s. officially entered the conflict on april 6, 1917.