People outside of the United States are often curious about American culture, its politics, and the general way of life. While you are abroad, you may have encounters with people who will want to ask you questions that you may find uncomfortable. Check out this resource published by the U.S. State Department, which includes an interactive activity to help prepare you to have difficult conversations about being a U.S. student. 

So You're American? A Guide to Answering Difficult Questions Abroad