Crushing AI Level 3

I played against AI Level 3 and won a battle at the fourth attempt.

At the beginning of the game, the red team produced lots of tanks and had an early attack. The blue team built a shield and placed a few guards nearby. This tactic saved a lot of time for the blue team to catch up with tank production. The blue king did some critical healings which turned the battle in favor of the blue team. At a moment during the battle, gold resources were almost drained at the base location of the blue team so they had to maneuver to the other side of the battle zone. After building 2 gold cities the battle got easier. The rest of the job was mostly done by the tanks and less by the king.