Help! Was German unification primarily the result of German nationalism or Prussian expansionism

It is often seen as the unification of Germany. Nationalism also has a lot to say since they shared a lot of values and language, but Prussia may have something to say, but they also felt a bit like Germany. So would say that nationalism was the driving force of German unification.

they wanted the u.s. to fight on the side of the central powers.

lee and grant, both of whom held the highest rank in their respective armies, had known each other slightly during the mexican-american war (1846-48) and began their dialogue by exchanging awkward personal inquiries. characteristically, grant had arrived in his mud-splattered field uniform while lee had turned out in full dress attire, complete with sash and sword.

explanation: