Below you can find the Trying to open this country to trade the u.s. landed a force at the mouth of the han river in may 1871 Jeopardy Words Answer. The answer to Trying to open this country to trade the u.s. landed a force at the mouth of the han river in may 1871 has 5 letters. This clue belongs to the 19th century asia category and is part of Jeopardy Word Level 104. If you scroll near the bottom you will find other clues and answers part of level 104