The right answer is It led to the finalization of the border between the United States and British Canada.
On June 15, 1859, an American farmer named Lyman Cutlar shot and killed a Hudson’s Bay Company pig rooting in his San Juan Island potato patch. By so doing he nearly started a war between the United States and Great Britain. However, much more than a pig was involved. For more than 40 years, the two nations had been contending over the Oregon Country, which today comprises Washington, Oregon, Idaho, as well as portions of Montana and Wyoming and the province of British Columbia. On June 15, 1846, the two nations agreed upon the 49th parallel as the international boundary. The final sticking point was possession of the San Juan Islands, which was decided in favor of the USA in 1872.
North Vietnam was supported by the Soviet Union, China, and other communist allies; South Vietnam was supported by the United States, South Korea, the Philippines, Australia, Thailand and other anti-communist allies
Answer: an economic phenomenon where two parties each hold an item the other wants, so they exchange these items directly without any monetary medium!!
