[Solved] Why do researchers know so little about the influence of Internet pornography on teens? A) There are many ethical and legal problems related to conducting experiments that involve showing pornography to teenagers. B) It is very difficult to distinguish the influence of mainstream media (e.g., television) from the influence of pornography. C) Parental controls prevent researchers from studying a representative sample of teens who have viewed pornography. D) Teens aren't interested in Internet pornography because the actors are typically much older than they are. Kansas-Nebraska Act: A 1854 law that created the territories of Kansas and Nebraska and allowed the settlers to decide on the legality of slavery within the territories. Republican Party: One of the two major political parties in the United States, traditionally associated with conservative and right-leaning policies. Political Party: An organized group of people with similar political aims and opinions, seeking to influence public policy by getting its candidates elected to public office. Joshua Giddings: A prominent 19th-century American abolitionist who served as a U.S. Representative and was known for his strenuous opposition to slavery.