And it's not about some kind of chain, and the fact that you can transfer troops every turn is not a revelation here; even here, they know how to use air scouting(!). :D :D :D
And the extra time is intended for exceptional situations. Like an unexpected encounter with an opponent. For situations when you have to radically change your planned actions on the fly, with the possible sale of resources, etc. And this usually happens once or twice during a game.
And it's not customary on the world map to "dominate" anyone according to the rules.