Question about the new Mexican DLC

Hi team, I have a question about if the new historical battles for the US and Mexico DLCs will be available for people who earned the US civilization by compleating the all US states challenges when it was launched. I’m planning to get the Mexico DLC too and want to be sure it will work for me to get the three new historical battles.
I will appreciate the info.


I also want to learn that too. I also have USA DLC from event.