Final answer:
The subject of this question is Social Studies as it discusses America's multiculturalism, immigration, and the World Trade Center destruction.
Step-by-step explanation:
The subject of this question is Social Studies as it discusses the topic of America's multiculturalism, immigration, and the World Trade Center destruction. Social Studies is a field that encompasses the study of human societies, their cultures, and the interactions among individuals and groups.
The statement made by the student highlights the diversity in America through the photographs of those who died in the World Trade Center. The different skin colors, eyes, noses, and hair textures represent a map of the world, illustrating America's status as a mongrel nation of many different cultures.
America has historically accepted immigrants from various countries, making it a nation that embraces diversity.