It's a good question. It seemed clear in the WWII era, what the Nazis were doing was so evil, the opposition to the Nazi regime would obviously by nature be perceived as 'Good'. I believe Jesus' King...
I hear you. The battles that are brewing now seem ideological in nature. The west, as we know it, was established mostly by christian forefathers. The law of the land, which was centered around upholding christian values has been erroded.