One way the priceless cities campaign appealed to consumers' emotions was by stressing

Mastercard is an American financial services corporation whose main activity is the issue of credit through credit cards. These cards can be used by Mastercard cardholders in any commercial establishment that operates a Mastercard POS or "Point of Sale" (a device in which processes credit card payments) or through the internet.

Mastercard's "priceless cities" campaign is one of the most successful marketing campaigns in modern history. It uses techniques of "emotional marketing", which is a category of marketing which focuses on appealing to a consumer's psychological background. Mastercard made the consumer remember things which he or she actually values that go beyond the economy. This was highly successful as consumers were motivated by satisfying their emotional needs, putting completely aside from any limit that they could have imposed themselves regarding expenditures

explanation: d

to keep us neatruel and not get involved in any wars

he assumed control of treaty negotiations with a hostile power