Giving out points for the best answers and

China exported spices and tea, they included silks, cottons, porcelains and other luxury goods.

They imported goods like cotton, ivory, wool, gold, and silver.

as for the threefold profit thing. I would say that Britain is making triple the amount of money they would normally make due to trading with china. Or it has something to do with the goods Britain trades with china, china could trade with other countries.

Explanation:

wealthy plebeians became part of the roman nobility. however, despite changes in the laws, the patricians always held a majority of the wealth and power in ancient rome. a third social class in roman society was the slaves. around one third of the people living in rome were slaves.

hope this

the answer is migration