Answer:
The statement that best summarizes the difference between these two ads is They have different appeals.
Explanation:
The ad from 1971 that was widely known as "The Crying Indian" was part of a campaign that has the purpose of making people aware of pollution and that they can do something to fix it, the appeal was emotional, while the campaign that they launched in 2013 add something more to it, they added a proposal so now besides being emotional it also has a sense of logic in it.
