Which action can effectively offer positive encouragement across cultural barriers?

Smiling is considered a universal sign of friendliness and approachability, transcending cultural barriers and fostering positive interactions among individuals from diverse backgrounds. While various gestures such as nodding or shaking hands may have specific interpretations depending on cultural context, a genuine smile typically conveys warmth and openness, making it an effective way to encourage positive connections.

In many cultures, a smile can communicate reassurance, acceptance, and goodwill without the need for verbal communication, which is particularly beneficial in multicultural settings. It helps establish rapport and makes people feel welcomed, thus promoting positive encouragement across cultural divides.