Why did nationalist opponents criticize Gustav Stresemann’s policy of fulfillment?

Gustav Stresemann served as Germany's foreign minister from 1923 to 1929, during which he implemented a "policy of fulfillment." This strategy was based on the belief that Germany could better secure relief from the harsh terms of the Treaty of Versailles by complying with them rather than resisting.12

Nationalist opponents, particularly those led by the German National Peoples’ Party (DNVP) and Alfred Hugenberg, vehemently criticized this policy for several reasons:

• Perceived Humiliation: Nationalists viewed agreements like the Young Plan as a continuation of Germany’s national humiliation rather than a path to recovery.12
• Repudiation of Debt: The opposition sought to force the government to repudiate reparations debts and the "war guilt" clause of the Versailles treaty, which they believed were unjust.12
• Accusations of Treason: Nationalist critics argued that those who signed international agreements like the Young Plan were committing treason against Germany.12

Ultimately, these opponents viewed Stresemann’s diplomatic efforts as a betrayal of national interests, leading to intense domestic political struggles that persisted until his death.312