Question On WoTG Missions (nations)

So I'm bored with the game, so much so that I'm going back and doing missions. I'm currently working on Windy Nation WoTG, and I have a general question on how exactly the mission/quest lines work for the other nations

According to this wiki page:
http://wiki.ffxiclopedia.org/wiki/Category:Wings_of_the_Goddess_Missions

I gotta do quests + missions in the particular order for the nation. Can I do multiple nation quests at the same time? (example, since I'm on mission 8, can I go back and start bastok+sandy quests 1-7) ?

thanks in advance.

The main story missions and the nation quests. You must do atleast one nation line in order with the main missions in order to progress. It doesnt matter which nation. And yes, you can do all three nations at the same time if you wanted.

Just note; the very first quest for each nation will switch your alligence to them. So if you dont want to do that and still get the missions done, you can skip the first quest.

Awesome! Thanks