When european explorers first arrived in china,. a.. the chinese were not impressed with the goods and ideas they brought.. b.. they landed in korea by mistake.. c.. they established trading ports with the of the chinese government.. d.. they were attacked by chinese forces.

c.. they established trading ports with the help of the Chinese government..

Explanation:

When the exploration age began in Europe, the European powers were searching for new trade routes to the asian lands in order to eliminate the arab middle man. The demand for asian spices and products rose to a point where all european countries wanted a piece of that commerce so when they first arrived in China, the arabs had been trading for centuries, so the government was abituated to that,they startes establishing trading ports.

in 550 b.c.e. cyrus the great, the leader of the persians, conquered the medes and united the iranian people under one ruler for the first time. cyrus became the first king of the persian empire and went on to establish one of the largest empires in world.

i think it was   tsar alexander ii