What is the most effective first action for Miriam to take in resolving her issues with her sister?

The most effective first action for Miriam to take in resolving her issues with her sister is to sit down and express her feelings directly. This approach fosters open and honest communication, which is crucial in resolving conflicts. By directly discussing her feelings, Miriam demonstrates a willingness to engage with her sister in a constructive manner. This allows both siblings to share their perspectives, understand each other's views, and work towards a resolution together.

Open dialogue can help clear misunderstandings and build mutual respect, which can strengthen their relationship in the long run. Additionally, addressing issues privately creates a safe space where both individuals can feel comfortable expressing themselves without the influence or pressure of external audiences, which might be present in a public confrontation.

Options like ignoring the situation often lead to unresolved feelings and potential resentment. Complaining to their parents could complicate the situation further by introducing external parties into a personal issue. Confronting her sister in a public space might escalate tensions and could cause embarrassment or defensiveness, making resolution less likely. Thus, direct and private communication is the most effective strategy in this scenario.