Which are achievements of the han dynasty?
choose all answers that are correct.
a. scholars advised the emperors how to govern.
b. traders came from around the world to buy gold and diamonds.
c. the imperial university was founded to teach the confucian classics.
d. chinese literature spread to western asia and europe.

I think it's B. and D like the other person said!

because its important to learn about other countries and how high tech they are compared to us. also its good to learn about other cultures and how ours differs and in common also we need to learn about companies that we still buy since they ship it here.

the steam engine.

the locomotive.

the telephone.

the telegraph.

the internal combustion engine.

the rifle.

ironclad ships.

electricity/light bulb.