Which treaty aimed to address the issues faced by Austria after World War I?

The Treaty of St. Germain, signed in 1919, specifically addressed the issues faced by Austria in the aftermath of World War I. This treaty was a peace agreement between the Allied Powers and the newly established Republic of Austria.

Following the war, Austria was significantly affected by the dissolution of the Austro-Hungarian Empire, leading to the loss of substantial territories and a reduction in population. The Treaty of St. Germain aimed to redefine Austria's boundaries and establish its sovereignty while also imposing restrictions on its military capabilities. It resulted in territorial losses to other nations, including Italy, Czechoslovakia, and Yugoslavia, thereby reshaping central Europe’s political landscape.

This treaty also included clauses related to the protection of minority rights within Austria, which was particularly important given the diverse ethnic composition of the region. Thus, it directly addressed the challenges Austria faced as it navigated its new identity and status after the empire's collapse.

In contrast, while the Treaty of Versailles and the Treaty of Rapallo involved other regions and countries, they did not primarily focus on Austria's specific post-war issues. The Treaty of Locarno further dealt with various European borders and security arrangements in the 1920s, reflecting a