 2nd GIG", it is revealed that the Korean civil war has continued well through the fourth non-nuclear World War, with the United Nations' peacekeeping forces requesting assistance from the JSDF to help end a conflict.After the third and fourth World Wars, the American Empire was left militarily and economically devastated and in an effort to regain prestige as a major power engaged in open imperialism in Mexico and other parts of Latin America under the pretext of overthrowing the corrupt governments of those nations.In the late 2020s, the American Empire invaded and occupied much of Mexico; the invading forces used psychological warfare and intimidation techniques such as killing women in smaller villages and torturing prisoners in an attempt to break the spirit of the Mexican resistance.