>Drum is short for darum and means "for that reason" (correct me if I am wrong I haven't had german since middle school)
Yes, that is correct.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)