Why was britain eager to have china buy products from western countries as well as sell products to them

The  British were anxious to get access to Chinese consumers and to access China's products in the West. The Open Door policy was essential for accomplishing this goal.

explanation:

the answer is the huegonots.

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.