Whose 2016 presidential campaign slogan was "Make America Great Again"?

The 2016 presidential campaign slogan "Make America Great Again" was popularized by Donald Trump. He used this slogan to convey his vision of revitalizing and restoring the United States to what he believed were its former glories. Throughout his campaign, Trump focused on the idea of bringing back jobs, securing borders, renegotiating international trade deals, and prioritizing American interests. The slogan became synonymous with his campaign and was widely recognized as a representation of his political agenda and promises for change.