How might sailors circumnavigate an island

Which of the best following describes william jennings bryan’s learning experience

What are three supporting points as to why opium was wrong in the chinese trade? why should it have stopped? (opium wars)

Why was the united states motivated to establish the open door policy? a. the policy guaranteed american commerce with china. b. the policy supported the chinese nationalist cause. c. the policy led to a gain of american colonies in asia. d. the policy claimed damages from the chinese.