Dead ally expansion=buged

When an ally die you cannot take any shit that he used to own b4 he die
you send units but they stand neer it or stay in the transport please fix this annoying bug
it give the whole expansion of the dead ally to the enamy for 1/2 unit

Yes.When your ally die or leave the game.You can attack his city's but you won't take them.Your units will stand aside.Only when color of your allies turn to neutral then you can take them.It is annoying but that is how the game function.