(The hint ahead requires a large amount of stone and wood so use the above cheats to 
help you is you need to) OK! When you get to the Feudal Age, make sure to build walls all
around you, even on the water's edge (in a straight line if possible)! This will make sure
that the enemy doesn't land his troops and gives you time to attack him. When the wall is 
still in construction, go ahead and build 2 or 3 gates, spaced apart preferably. Then build
3 gates directly behind the ones you just built to add more of a defense. Then build 3 towers
to the left and right of each gate then put 1 Bombard tower at the end of each. repeat this 
until it covers the entire wall, even by the water to take out those pesky little galleons. 
Now basically do the reverse which is to say that instead of towers, they'll be Bombard's and
vice-versa. When that's done, finish it off with a wall as the inner coating to seal those 
towers in. The purpose of this is that if the enemy is lucky enough not only to break through
the first wall and the tower but also the B-towers as well, you have some insurance to hold 
them off a little longer. Normally, you would not need to constantly repair the towers unless
the wall broke allowing the enemy to attack them, but sometimes they may use a trebuchet to 
get at you, and a ram and even a catapult.