$($Scenario $10-5)$ In addition to promoting environment$-$friendly cars, Ford is now trying to market its cars as universal ones that can be used in markets throughout the world. The company is utilizing the phrase, "One Ford" in conjunction with the campaign and is hoping that consumers will begin to recognize Ford as the number one global auto$-$maker. Assuming this is an attempt at a unique selling proposition, which of the following is an implication of this method?

$$ It is a short$-$term commitment.

It is very efficient once a clear link has been established.

It is not resistant to competitive challenge.

It allows you to switch strategies, and the strategies will continue to be effective.