Oh, America the beautiful, your past can be so ugly. Take a look at advertisements from past centuries and you'll find a culture mired in explicit sexism and racism. To be frank, shit is bugged the fuck out. For many years, there was no better baromoter of the Nation's tolerance level than the advertisements for food. How are things for black Americans? Check your box of pancake flour; they aren't good.
Over the years, the imagery has become (for the most part) less obvious, but there are still some shocking ads out there. Take a look at this gallery of 25 racist food advertisements.