sentences:  Schuschnigg had to appoint Seyss-Inquart Minister of the Interior, encouraging the political activation of the Austrian Nazis.Realizing that he was in a bind, Schuschnigg announced a referendum on Austrian independence.In hopes of increasing the likelihood of a "Yes" vote, he agreed to lift the ban on the Social Democrats and their affiliated trade unions in return for their support of the referendum, dismantling the one-party state.