Unit & Its Counter - Castles

::::::::::::::::::::::::::::::::::::::::CASTLE::::::::::::::::::::::::::::::::::::::::::

TREBUCHET::------------>Troops seem not to attack them and it can be devasting if it is unpacked near your city. Solutions are 1) Train rams and use attack-groups with one man group (this way rams will attack them) 2) Don't let them unpack near your city

Petard::--------------->Every unit. As use them stupidly so there are no problems counter them. In every case they are so weak that they can be killed easily by every unit you train