I propose a simple strategy; rush and fuck.
As far as group strategy goes, I would have to say that we can't let the enemy get too far advanced, or we will be at a severe disadvantage due to their larger number of cities.
@Gargoyle I sent a trade request for 2 iron so I can get a few frigates on the incoming infantry.
...get a few frigates...
It also occurred to me a while back we could all pool our gold together and trade it to ghoosdum so that he could buy off and ally with the city state next to him.
It was actually in my best interest to take the orange Rifleman, because I gain culture for killing enemy units. I am impressed with your advance.