There's a discussion about Jon Connington going on in the Unmarked spoiler tv thread, I figured I'd respond here. Connington quickly became one of my favorite new characters once he received a POV. One of my favorite moments is him reminiscing about the Battle Of The Bells, and his unwillingness to be completely without mercy. As Blackheart noted, Tywin Lannister would have simply burned the entire village and ended the rebellion right then and there*. That makes me wonder whether Connington will once again be faced with a dilemma like that, and if so will he take the Tywin approach? Aegon is trying to win hearts and minds, but he also doesn't have a lot of time for a prolonged invasion; he needs to hit hard fast, gain allies, and then make a push on King's Landing before KL can recall troops. Garlan Tyrell has a large army that he's leading to the Shield Islands to face the Iron Born invasion, and the Lannister army is stranded and leaderless in the Riverlands due to Jaime disappearing.
I think that Dorne will declare for Aegon and immediately invade the Reach. With Garlan Tyrell preoccupied by Euron Greyjoy's forces in the Shield Isles, Highgarden could potentially be attacked, or a series of smaller castles in the Reach.
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*With respect to the idea that killing Robert would have ended the rebellion...do you guys believe that? If Robert had died, the rebels would still have a larger army, and perhaps it would become "Ned's Rebellion." I think the biggest wildcard would be Tywin Lannister. If Robert died, Tywin would likely side with the Targaryens which could turn the tides completely.