Why did the polo brothers return to china after visiting

Through it all, Polo's marveled at China's cultural customs, great wealth and complex social structure. They were impressed with the empire's paper money, efficient communication system, coal burning, gunpowder and porcelain, and called Xanadu "the greatest palace that ever was."

in this scenario it would be the consumer demand as most influential in making the decision. the band members need to figure out where and from whom they will make the most money, in other words who out of the two consumer groups - football fans or car drivers - will spend their money, who is more likely to contribute to their cause and buy what they are offering.