The Austrians, however, needed more than this. Given their utterly depleted state, they required not only a formal treaty with a vestigial Ukrainian government, but a workable grain-delivery contract. With Bolshevik forces occupying much of northern Ukraine, Count Czernin could not abandon his efforts to reach an agreement with Trotsky. This meant that they had to return to the question of the Baltic states and establish ground rules for what was actually meant by self-determination.