>Earth joining GFW
>>509753062
>Does that mean humans would have to send troops to go fight the zerg or whatever if they attacked the slime people or whoever?
The GFW has fought in battles defending Earth, so yes, you would have to travel to the far ends of the Galaxy, meet fascinating alien life, and kill it, in the eternal Fight for Peace.
The GFW has bases everywhere, just like America.
As above, so below, is true.