I Make My Country, Help!

hello guys, well, i come to have a little hand for mi creation, Argentina…

well, what need i to create a new country?, i have the 3 flags archives, the .txt mission and the mtx file (copyed of the UK)

i have this files and put on the rigth directory, but when i open the game, the country didn´t be to use

i have any error? i need more files?, i dont know, but very very thanks for the help folks, i need you, come please :mrgreen: