How are discriminatory sentiments and racist attitudes portrayed in advertisements in the Eastern and Western media, and in what ways are they similar or different when it comes to the underlying issue of racism against black individuals?

Have to complete a fourth year research paper that answers the following research question using semiotic analysis: Research Question: How are discriminatory sentiments and racist attitudes portrayed in advertisements in the Eastern and Western media, and in what ways are they similar or different when it comes to the underlying issue of racism against black individuals? I