New Zealand PM Jacinda Ardern is being praised for her decisive and strong stance against white supremacy in the wake of a shooting at two mosques that killed 50 people.

Ardern’s reaction to the national tragedy, the worst mass shooting in the history of New Zealand, has been praised. From vowing to ban semi-automatic weapons, reassuring the Muslim community that they are valued members of the country, and to focusing her attention on the victims, as opposed to giving the shooter notoriety by way of extensive media coverage.

Here are five ways world leaders can follow Ardern’s example in the wake of a tragedy…