What impact did the Han Chinese have on the Xiongnu?

What does the document of the birtish octopus is an uderlying cause of the world war 1

Which of the following accurately describes the workforces of the united states and canada? a. most of the workforce in the united states and canada is employed in the service industry. b. most of the workforce in the united states and canada is employed in the educational field. c. most of the workforce in the united states and canada is employed in manufacturing and mining. d. most of the workforce in the united states and canada is employed in agriculture.

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