Translation fixed as best I can. What's modifying what is a bit ambiguous to me, I'll admit. However, the "English" lyrics at lyrics-translations.com are awful; they read like a machine translation. (カッコ悪すぎる = "It is too bad brackets'm"?)
Both swastika and the rising sun are not so seriously taken in each other side of the world.
I can sort of understand, because back then they didn't have much conflict and stuff like that is pretty much trivial now a days. But that's my view. My anscestors were never involved with the Western front. So I don't fully understand the full pain of that war, even when I research about the war. I just see multiple countries killing each other the same way as their enemies. Or it could just a simple reason of how some people like how Nazi clothes look.