Detailed Instructions: 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.
Q: During this war, the socialist POUM came into conflict with the communist PCE. Veterans of this war largely comprised the Blue Division that fought at Krasny Bor, while Irish Conolloy Column fought alongside the International Brigades. One leader in this conflict coined the term "fifth column" and died in a plane crash. Both Alfonso XIII and Primo de Rivera resigned prior to this conflict, which saw a coup oust Juan Negrin. During this war, a German unit called the Condor Legion conducted a bombing raid on Guernica. For 10 points, name this conflict fought in an Iberian country, which was won by the Falange under Francisco Franco in 1939.
A:
History