Original sentence: It took place predominantly on and around the Korean island of Ganghwa.The United States won a minor military victory, but as the  Koreans refused to open up the country to them (and the U.The United States' Korean Expedition of 1871 (Korean: Sinmiyangyo (Western Disturbance of the Year Sinmi)), was the first American military action in Korea.The conservative nature of the Joseon Dynasty government and the assertiveness of the Americans led to a misunderstanding between the two parties that changed a diplomatic expedition into an armed conflict.The reason for the presence of the American military expeditionary force in Korea was to support a U.diplomatic delegation sent to establish trade and diplomatic relations with Korea, to ascertain the fate of the General Sherman merchant ship, and to establish a treaty assuring aid for shipwrecked sailors.forces in Korea did not have the authority or strength to press the issue) the United States failed to secure their diplomatic objectives
Edited sentence: It took place in 1871, predominantly on and around the Korean island of Ganghwa.The Sinmi Yangyo (lit.The conservative nature of the Joseon Dynasty government, and the misunderstanding between the two parties were mostly responsible for this conflict.The primary reasons for the presence of American soldiers in Korea were to establish trade and diplomatic relations with Korea, to ascertain the fate of the General Sherman merchant ship, and to establish a treaty assuring aid for shipwrecked sailors.Western Disturbance of the Year Sinmi), known in the United States as the Korean Expedition, was the first American military action in Korea