Donald Trump will significantly shape where the world goes from here. America’s influence is no longer what it once was, for better or worse, but the country remains the globe’s most influential force.

Between migration and war, the world faces its most urgent challenges since the Cold War. Today, a team led by the Monitor’s Ryan Lenora Brown looks at six families whose lives Mr. Trump could well change. Some are worried; some are optimistic. All hope for better. Together, they are a portrait of how the American presidency touches parents and children around the world.