You will be given a definition of a task first, then some input of the task.
In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

One president at the time of this war defended his country's involvement by promising ""peace without conquest. "" The commanders of U.S. operations in this war were William Westmoreland and Creighton Abrams. This war began with an air offensive called Operation Rolling Thunder. During this war, the United States was dealt a psychological blow by the Tet Offensive. This war was sparked after the USS Maddox was attacked, leading to the Gulf of Tonkin Resolution. For 10 points, name this war in Southeast Asia that lasted from 1965 to 1975.
Output:
History