Funny, I was actually talking with a friend about Robb's mistakes during the war last night.
Meaningless. Its not like the Freys were a threat. Crossing them had no real dire consequences if you decide against their help.
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The only clear mistake in my eyes. Its either or. No problem with him crossing them but you can't go and try to double back.
The Freys are no threat? The Twins are one of the most important strategic locations in Westeros, as it is the quickest way between the North and the Riverlands. Walder Frey is an extremely powerful and rich lord who has an enormous army.
And even the people in King's Landing know that Walder Frey is a man who doesn't take lightly to being scorned. After all, even years after Robert's Rebellion, he remembered that line of Hoster Tully's, "the late lord Frey", and was incredibly bitter over it, let alone the fact that many other Riverlords, first and foremost the Tullys, always shit on him. Catelyn even warned Robb about Walder Frey, I think even multiple times. She knew that crossing him could have dire consequences. Rickard Karstark knew, too.
Yet, instead of doing what he promised to do as payment for his forces crossing the Twins when marching south, he married out of "love".
In this case, Tywin was entirely correct: The House that has its family in the interest of their actions will always triumph over the house that bends to the whims and wishes of their children.
Don't see how this is inherently a fuckup. If you meet their toll, what exactly is the risk?
The Greyjoys would've never joined up with Robb. Ever. They hate the Starks, because they were one of the leading forces to crush Balon's attempted independence during Robert's Rebellion, and they took Balon's son from him. Yet Robb sent Theon, said son, to the Iron Islands, to tell him that his forces all were marching south.
It was literally sending a message to a burglar and telling him that you're not at home right now.
IDK about this one. Maybe, for the sake of keeping Karstark's men. But what "king" lets people openly defy them?
A wise king. A king who knows that if he loses half of his remaining army, he's guaranteed to lose the war. Catelyn told him not to kill Karstark. Talisa told him not to kill Karstark. Blackfish told him not to kill Karstark. Fucking
Edmure told him not to kill Karstark. They told him to keep him as a hostage, so the Karstarks remain loyal at least until the war is over. But he went against the advice of all of the people around him and killed him anyway. It was a spur of the moment, rooted in his own hurt pride and anger.
And it was hypocritical, too - he didn't (really) punish Catelyn for freeing Jaimie Lannister, either.
The lost the Freys and gained the Westerlings. I don't see how that's not a sidestep at best.
No they didn't, Talisa isn't a Westerling, she's a lady from Volantis. The Westerlings weren't even mentioned on the show.