It was invented by Nazi Germany and proved to be decisive in the war against France, Britain, and Russia.
Simply stated, the strategy is to gain the ability to make quick decisive strikes at the enemy and take them down one by one, like the divide and conquer maxim.
In this tutorial I will be demonstrating the Blitzkrieg strategy for how to fight a many-front war. We will be doing this with the very hard / very hard difficulty setting so to make this a foolproof plan. The bright side is that should you survive the first few turns, you are guaranteed to win the game. This becomes a problem since it's very difficult to get troops to protect your cities when needed. The Seleucid Empire probably has one of the roughest starts in Rome Total War, mostly because you're almost sure to be fighting a three front war, but also because you start with an extremely stretched out empire.