2. Romney said it and it is a historic KKK slogan.
"Keep America American" is not (and never has been) the slogan of Republican Mitt Romney's presidential campaign
“There are people in this room who are informed and who care about this election, who recognize that this is a defining time for America,” he said. “We have on one side a president who wants to transform America into a European-style nation, and you have on other hand someone like myself that wants to turn around America and keep America American….”
Regardless of the refinement offered by Snopes, the parallel is undeniable.