Because it affects the speed of development, and the final outcome of the game. When choosing the nation remember the unique features of each of them. But if your opponent is superior to you - there is no longer a laughing matter. For example, tanks and knights on the same battlefield look ridiculous. In Rise of Nations game, engaging in the development of the nation, it is possible to engage in battle with the enemies, which are significantly lagging behind in weaponry and technology.
