How many teams can be deployed in a battle?

Thx a lot Mooxe!

<r> Well, i read from the manual:<br/>
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<B><s>[b]</s><br/>
If an unsupplied Battle Group is forced to disband involuntarily, because it is forced off a map, it loses all of its vehicles, and 50% of its infantry units are captured. This can be a crippling loss<e>[/b]</e></B><br/>
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<t> My wish list is:<br/>
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_On airstrikes, naval or artillery barrage, small builings (like wood floor) can be totally destroyed (raze at ground level i mean...)<br/>
_In Maps not contested, the defender that occupies it, can build trechs and small fortifications where he wants.<br/>
_If i ...