If you study the history of social movements, it will immediately become clear that no matter what kind of change you're seeking in the ways we get along, it won't come easily.
Because even if the change you're fighting for has a lot of popular support, you're almost guaranteed to find that as hard as you're working for social progress, there are others working just as hard to keep things the way they are.
And when enough of those people close ranks around you, it's hard not to feel as though you're standing alone against them. But as we're about to see in one powerful example, it can sometimes turn out that you had more allies in the fight than you realized.