The series of wars fought by Abu Bakr (RA) against tribes who rejected Islamic authority after the Prophet’s death are known as:

Explanation

– The Riddah Wars, or Wars of Apostasy, were fought by Abu Bakr (RA) against various tribes who either renounced Islam or refused to pay Zakat following the Prophet’s death, threatening the unity and stability of the young Muslim state.
– Abu Bakr’s firm response ensured the preservation of the Islamic polity during this critical period.
– For exams, note that these wars also involved suppressing self-proclaimed false prophets, such as Musaylimah, who was defeated at the Battle of Yamama.