Alexandru Vaida-Voevod was a Romanian politician born in 1872 in Transylvania, Austria-Hungary. He initially supported federalizing the Habsburg domains along the lines of a United States of Greater Austria. In 1906, he joined a Romanian nationalist party in the Budapest Parliament, opposing Hungarian policies of Magyarization. After World War I began, he advocated for Transylvania's union with Romania. In December 1918, after Hungary surrendered, he was part of the Transylvanian council that proclaimed the region's union with Romania and presented the decision to the Romanian king in Bucharest.

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 Alexandru Vaida-Voevod or Vaida-Voievod (February 27,
1872 – March 19, 1950) was an Austro-Hungarian-
born Romanian politician who was a supporter and promoter
of the union of Transylvania (before 1920 part of Hungary)
with the Romanian Old Kingdom; he later served 28th Prime
Minister of Romania.
 He was born to a Greek-Catholic family in the Transylvanian
village of Bobâlna (then Alparét, Austria-Hungary). Initially,
Voevod was supportive of a plan to federalize the domains of
the Habsburgs along the lines of a United States of Greater
Austria, and was close to Archduke Franz Ferdinand.
 In 1906, he joined a group of Romanian nationalists in
the Budapest Parliament (the Romanian National Party of
Transylvania and Banat), becoming an important opponent of
the Hungarian governmental policy of Magyarization, and
fought for the right of Transylvania to self-determination.
Disappointed by the Austrian cause after Franz
Ferdinand's assassination in Sarajevo, and turned towards an
advocacy of Transylvania's union with Romania; he and his
party presented a demand for self-
determination along Wilsonian principles to the Hungarian
legislative in October 1918.
 In December 1918, after Hungary surrendered in World War
I, he was part of the Transylvanian council
that proclaimed the union with Romania, and was,
alongside Vasile Goldiș, Iuliu Hossu, and Miron Cristea, a
member of the Transylvanian group of envoys that presented
the decision to King Ferdinand I in Bucharest.
Coordonating teacher:
Mihai Daniel Frumușelu
References
ro.wikipedia.org
Rotaru Valentin-Ginel
Voicu Casian-Petrica
Damian Elena-Neli