The correct answer is letter C. To assume that all are the same and to categorize is to form stereotypes. Often stereotypes cloud a person's judgment about people around him. This is a very common practice that all individuals do because we associate a lot of things with behavior and physical appearance.
I'm not for sure I understand the question.
<span>October 9 is Leif Erikson Day, a United States holiday that honors the Icelandic explorer who some believe was the first European to reach North America. ... Christopher Columbus and his holiday are controversial today largely because of the way he and subsequent European explorers and settlers treated Native Americans.</span>