The discussion of the standards for selection of peanuts that will be used in m& ms and the placement of the m& m logo on the candies speaks to which building block of a sustainable competitive advantage:

Quality.

The 4 building blocks of competitive advantage are efficiency, quality, innovation, and responsiveness to customers. Using only the best peanuts and making sure the logo is placed perfectly every time is an example of quality.

there is no possible way mgk stands a chance with the greatest white rapper of all time. eminem killshots had more bars than rap devil and the reason mgk is doing all this is cause he not getting attention anymore til the release of rap devil and the disses he is putting on eminem. now rap devil was more fire than killshot so mgk might won the battle with rap devil but eminem won the war with killshot.