For a long time, an increase in global interconnectedness has been paralleled with the creation of a more peaceful world. The more we interact with each other, the more we'll care about each other, and the less we're inclined to hurt one another.
The link between global connection and peace isn't a perfectly straight line, but it makes sense that these adventurous travelers have an immense potential for creating good in the world just by visiting new places and building cultural bridges that increase understanding.
-- Pippa Biddle article