The Treaty of Trianon and the "liberation" of nationalities

The Treaty of Trianon and the "liberation" of nationalities "The Hungarian Kingdom which formed such a wonderful geographical and economic
unit has been cut up under the pretext of the "Liberation" of nationalities. What does "Liberation" mean in practice ?
They have"liberated" 1,702.000 Slovaks by placing them under Czech rule and together with them 1,874.000 persons of other nationalities.
They have "liberated" 2,800.000 Rumanians by subjecting 2,465.000 people of other nationalities to Rumanian rule.
They have "liberated" 1,029.000 Serbians so as to put 1,727.000 Croatians and
1,366.000 inhabitants of other nationalities under Serbian rule.
They have "liberated" 232.000 Germans by placing them together with 126.000 persons of other nationalities under Austrian rule.
"(Forrás: https://mek.oszk.hu/20400/20410/20410.pdf)