Answer:
the practice of bringing gifts to a birthday party
Explanation:
A folkway is a custom passed down through a culture. It is something that is expected in society but is not about morality. Bringing a birthday present is not required by the ethics of society but is still expected and it would be taboo not to do.
Lets start with what information you have. You have the topic Foster children and juveniles. The next step would be a thesis or the purpose of your study. The introduction should take all the major ideas you will talk about in your paper. Hope this helps to give you a start on your research paper. Post a comment if you have any more questions. Enjoy the rest of your day :)