Why diem overthrew bao dai regime?

Ngô Đình Diệm overthrew the Bảo Đại regime in 1955 primarily due to a combination of political instability and popular discontent with Bảo Đại's rule, which was seen as ineffective and corrupt. Diệm positioned himself as a nationalist leader who could unify the country and resist communist influence, appealing to various factions and gaining support from the United States. His coup was also facilitated by his ability to garner military backing, ultimately leading to the establishment of his own government, which he claimed to be more legitimate and representative of the South Vietnamese people's interests.