How many times are we going to get a thread like this? City states have been able to do this for more than a year.
Ah, I got the feeling that perhaps OP knew that, but his "wtf" was addressed to the combo Poland and Siege Tower, a civ that is a little bit OP with a unit that is a little bit OP. (Edit: That was a lot of the abbr. OP).
Personally, I would have sacrificed my left arm to ally that CS
(That is perhaps what OP should have done)
Which city-state gifts siege-towers!?
Which city-state gifts siege-towers!?