The biggest category of sponsorships involves ___, which accounts for almost 70 percent of spending in sponsorships. Marketing Chapter 17 The biggest category of sponsorships involves ___, which accounts for almost 70 percent of spending in sponsorships.a. educationb. arts and festivalsc. political causesd. sportse. musicANSWER: d Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+