nuke them all
.I will say a economic take over. the miltary take over is what you want to do. you can upgrade your men hire new recruits. buy nukes or chemical weapons. but watch out to many nuclear strikes can cause a chaiin reaction....................................................................................................
which from time to tiime is fun. in the game you get 5 turns a round. so if you need to build up your army take your time and make your army strong. durnign the game play you can call in strikes against the other side.air , naval and space strikes.the object of the game is to take over the world.....................and kill your enemys