Which action is a healthy way to express anger? writing a letter punching a wall yelling at a family member threatening others verbally

A is the correct answer, depending on what is in the letter and what you do with it.

If you are yelling and saying hurtful things in the letter and then sending that, it probably isn't a great way either.

One should always pause and take stock and decide what they are trying to advocate for and why they are upset.

you should probably write a letter