The British East India Company was the primary merchant responsible for smuggling opium into China during this period. Interestingly enough, the Roosevelt family made much of their wealth in the shipping business. In fact, they had strong commercial ties to (you guessed it) the British East India Company.
Which has led many historians to speculate that the Roosevelt fortune was actually drug money.
I love America.
*I learned this tidbit from a history professor. I make no claims about its truth value.