A1: In the first level which is the Chansellorsville level you have only two other rebel soldiers . You can get one more soldier when you are at the part where you have to destroy the two watch towers. In the second or third building to the right of you when you enter that part there is one soldier who will be sleeping or something like that go over two him and press triangle and that will wake him up and he should follow you for the rest of the battle.

A2: The first soldier is on the ground to the right of the door of the church right after you kill all the Union soldiers and exit the building. The second soldier is to the left of the dirt road after you kill the Union soldiers behind the fallen logs after you cross the creek where the wagons are. The third (and last) soldier is inside a building of the right side of the Union compound where the two towers are. That's as exact as I can say it. (All three soldiers are cowards they run away to the rear after thanking you for reviving them. Thanks a lot for your help in NOT fighting the Yanks, guys.....)