How did the actions of Han Wudi contribute to the development of the Silk Road ? ( 1 point ) A.Han Wudi made the Roman Empire into a tributary state , sending them silks in exchange for recognition of Chinese superiority .
B.Han Wudi funded the construction of the Silk Road and committed troops to place the stones of the road.
C.Han Wudi extended the Great Wall and fortified trade centers, making trade in Central Asia safer.
D.Han Wudi established the Silk Road for the first time in history , leading to new trade routes across Central Asia.