Sauron's battle strategy

[Imperica]

Originally Posted by Farael

He feared that, if given enough time, Isildur's heir would be able to learn how to wield the Ring appropiately, and summon a host large enough to make things very hard for Sauron.

Therefore, it did matter who he attacked first. He believed Aragorn to have The Ring. First of all, I'm sure he feared that the heir of Isildur might be able to overthrow him, like Isildur did in the past. Second, he knew that while Aragorn had it, it was the "lesser evil" of the other possibilities.

When did Sauron believe that Aragorn had The Ring? If this was so then the Nazgul wouldn't of been searching for Baggins, the Shire, and Hobbits... And I highly doubt that Sauron thought that a mere Man such as Aragorn, despite his lineage, would be able to appropriately wield The Ring and even if this was so The Ring would of betrayed him, as it did Isildur.