During the tang and song dynasties what was the best way to move goods? A. By land
B. by river
C. By air

D

Explanation: JK ITS B:) you thought I wasn't going to give you an answer didn't you

you should try adrenaline. it kicks in in situations like this.

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.