{Suggestion(s)} -- Option to disable team-fortification &

Just some ideas here; I realized disallowing attacks on team-mates would ruin the game, but I think an option to disallow fortifying team-mates is tenable.
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This might be a bit radical, so please bear with me . . .
How about enabling an option for new games:
Allow Fortification/Deployment to team-mates? Y/N
This would make a slightly more difficult kind of game, and yet also pretty much "n00b-pr00f".
________________________________________________________________
This might be a bit radical, so please bear with me . . .
How about enabling an option for new games:
Allow Attacks against team-mates? Y/N
This would make a slightly more difficult kind of game, and yet also pretty much "n00b-pr00f".
_____________________________________________________________
This might be a bit radical, so please bear with me . . .

Allow Fortification/Deployment to team-mates? Y/N
This would make a slightly more difficult kind of game, and yet also pretty much "n00b-pr00f".
________________________________________________________________
This might be a bit radical, so please bear with me . . .

Allow Attacks against team-mates? Y/N
This would make a slightly more difficult kind of game, and yet also pretty much "n00b-pr00f".