I've read the FAQ (but I guess I dont' understand it fully) concerning terrain and combat. If I'm going to be in a mountain area, should I still work to maintain calvary superiority? I know attacking into a mountainous area (or across water) decreases the calvary and cannon shock value but does it also negate the calvary advantage factor? I'm about to invade Nippon's capital (a mountainous region) and their forces on the island compose of 80k calvary and 80 cannon. Since I can only land about 50k in troops right now, what's my best option?