Direct answer
Objectives follow journal display order. Some depend on your choices; follow the active objective in the game.
Result
During the war that pitted the Northern Realms against Nilfgaard, the border along the Pontar river was closed. Whoever wanted to cross at the border posts had to show a pass issued by the Redanian high command. Or, barring that, one of the convincing counterfeits sold by the shady Redanian who hung about near the river crossings.