Answer:
1. people on reality shows were chosen on how they fit stereotypes
2. the show helped to strengthen stereotypes about different people
It is C. Compound sentence. This is because it is far from simple, and even thought it might seem as a run on sentence, it is not, as run on sentences are sentences connected with a comma, yet this one is connected with a semi-colon, which is a correct way of connecting sentences.
"Buy, sell, and trade on the Internet, and become a millionaire overnight!" is an example of a Snob Appeal propaganda technique. A snob appeal is a technique wherein it involves an assertion that you must think and act in a certain way in order to attain a high social status brought by the action. In the given example, it means that if you join them and buy, sell, and trade in the internet, you will attain a high social status which is being a millionaire overnight.