After World War I, Austria and Turkey were both treated as defeated powers and were required to sign separate treaties. The Treaty of Trianon was signed by Austria and the Treaty of Sevres was signed by Turkey. The treaties imposed significant territorial and economic losses on both countries.
The question of whether it was fair for Austria and Turkey to have their own separate treaties is a matter of debate. Some argue that separate treaties were necessary due to the differences in the political and economic conditions of the two countries. Others argue that the separate treaties were unfair and contributed to further instability in the region.
While the separate treaties may have been necessary due to the differences in the two countries' circumstances, it is clear that they had negative consequences for both Austria and Turkey. The treaties imposed significant territorial and economic losses on both countries, contributing to economic and political instability in the region. In the end, it is difficult to say whether the separate treaties were fair or not, but they certainly had a lasting impact on the two countries and the wider region.