Event: Sansa Stark - Executive Decision (Political Wins)

Episode 6: Beyond the Wall at 44:01
Sansa commands Brienne of Tarth to journey south to King's Landing for the meeting convened to present the White Walker threat, leaving Sansa alone in Winterfell despite her protests.

Brienne: I sworn an oath to protect you and your sister. If I abandon you-"
Sansa: "The trip to King's Landing is long, Lady Brienne, and you won't be travelling on summer roads. The sooner you leave, the better your chances of making it on time."
(Executive Decision)