I cannot figure out Spain either. I'll list the teams and see if I can make some sense
Orca's
Spain: REL, SEA (CB and Alpha) but it's a pangea???
IRO: AGR, COM (Pottery, Alpha)
Cow's
Iroquois: AGR, COM (Pottery, alpha)
Japan: REL, MIL (CB, WC)
So, it seems that they could be going for a Monarchy slingshot. As for us, if the game is only going to last 100 turns, I'm not even sure it's worth revolting. However, we could go as follows: Persia: WC, Myst, Poly; Iro: CB, Writing, Philosophy. Then get Monarchy as our free tech however, we would be at a disadvantage. If we want to go Monarchy (which I'm not against), then maybe the Persians need to do the lower tech tree while the Iro go straight for Philo. I would need to do some calc's to see what makes sense.