Western tech group nations cannot vassalize Asian countries. Meanwhile, Eastern tech group seems far better suited for expansion into Asia, for a couple reasons:ġ. They'd probably get very low piety from attacking other Muslim nations in the area, and suddenly there's no tech gap at all.Īll that is to say that the benefit of Western tech group over Eastern is minimal. And Eastern countries that expand into the middle east could even convert to Islam. Meanwhile, eastern countries can now fairly easily get 'Western Arms Trade,' for a 10% bonus. The Western tech group of course also has an advantage in tech costs. But the differences are small, and your units don't change when you Westernize anyways. The units are roughly the same, with Eastern units being better early, and Western units better later. So it was unquestionable that the Western tech group was the best to be in. It used to be that Western units were far superior to other units, and when you westernized, you got those better units. I'm coming back to the game after a while.