I am sorry I misunderstood you at first. Yes, in the case of a single country-tag, the latest entry overwrites the earlier one.Would they? I just tried to simply add the later guarantees from AGCEEP 1.59b4 to the file in addition to the earlier ones I edited and China starts with noone guaranteed in 1419. My guess would be that multiple entries for a country do not work but that the latest date overwrites the earlier one.
I did not mean to say that it does not technically work. What I meant is that a human player ought to do his own guaranteering using the ingame option in Diplomacy to do so and using a diplomat for it.
The last AGCEEP version bundeled with FtG was 1.58 as far as I remember, so 1.59 and the 1.59b4 hotfix should have corrected several errors too.
Both. Muscovy did not conquer the tatar lands in large amounts before first uniting the russian lands. Even Kazan, which is the nearest Khanate, did not fall completely before Muscovy did become Russia.
I think this is not about when the Grand Principality of Moscow / Russia began to subjugate the nearest khanates, but when the Tatar culture had already deeply penetrated the Russian culture. For example, in terms of language it already had. And in terms of political organisation — Russian rulers received the jarlig/yarlyk from the Mongolian rulers...