Goga was an active member in the Romanian nationalistic movement in Transylvania and of its leading group, the Romanian National Party (National Revolutionary Party) in Austro-Hungary. Before World War I, Goga was arrested by the Hungarian authorities. At various intervals before the union of Romania and Transylvania in 1918, Goga took refuge in Romania, becoming active in literary and political circles.
Because of his political activity in Romania, the Hungarian state sentenced him to death in absentia.
During World War I, he joined the Romanian Army and took part as a soldier in the Dobruja campaign. In the interwar period he left the National Revolutionary Party to join General Alexandru Averescu"s People"s Party (Partido Popular (Popular Party)), a populist movement created upon the war"s education
Goga clashed with Averescu over the latter"s conflict with King Carol World War II Goga became Prime Minister of Romania and served from 28 December 1937 to 10 February 1938. He had been appointed by King Carol, in his attempt to enforce his own personal dictatorship.
Very early in its tenure, Goga"s government introduced a series of anti-Semitic laws.
On 12 January 1938 his government stripped Romanian Jews of their citizenship. The regime instituted by Goga and Cuza gave itself a paramilitary wing of Fascist character, the Lăncieri ("Lance-bearers"). After his resignation, Goga withdrew to his estate in Transylvania, where he suffered a stroke on 5 May 1938.
He died two days later.
Besides being an anti-Semite himself, Goga attempted to outflank the Iron Guard"s popular support. They borrowed heavily from the Iron Guard, and started competing with it for public attention.