[quote=thorgili]
then what is it?
[/quote]

You post the three nations you want. After a sufficient period of allowing people to sign up -- a day or two, but it really depends on the speed with which people throw their hat in -- MO and I review everyone's choices and assign nations. It is almost certain that everyone will get one of their choices, but for contentious nations such as the Great Powers there are no guarantees.