Which of these iconic retail slogans was first introduced during the Great Depression as part of a marketing strategy specifically designed to boost consumer confidence?

Throughout history, certain advertising taglines have become so iconic that they've transcended their original products to become part of our cultural lexicon. These historic slogans not only drove sales but often reflected the social and economic climate of their times. This trivia question challenges you to identify which famous slogan was introduced during a particularly significant moment in retail marketing history.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

De Beers' "A Diamond is Forever" (1947)
Maxwell House's "Good to the Last Drop" (1915)
Kellogg's "They're Gr-r-reat!" (1952)
Coca-Cola's "The Pause That Refreshes" (1929)