The right to bear arms give citizens the means to protect the rights given to them in the first amendment (freedom of religion, speech, press, etc.) .
The type of savings you should make is a fixed term deposit
Or a CD savings account
The best answer is "emotional appeal" - it is based on the feelings (emotions) that the parents have when they think about any danger to their child. It's also a kind of manipulation since this is a very strong emotion, one that makes logical reasoning more difficult.