Between 1180 and 1185 the struggle between the two major provincial families, the Taira and the Minamoto, was decided in what wars? AP World History Chapter 13 Between 1180 and 1185 the struggle between the two major provincial families, the Taira and the Minamoto, was decided in what wars? a. Gempei b. Koguryo c. Tang d. Onin e. Murasaki Answer: A Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+