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This research describes Islamic leadership under Caliph Abu Bakar As-Shidiq. The focus of this research is to show the successes achieved by Caliph Abu Bakar during the 2 years and 3 months he led. By using library research methods, namely researchers search for, study and understand literature related to Caliph Abu Bakar As-Shidiq, the leadership of Caliph Abu Bakar As-Shidiq. Researchers looked for general data about Caliph Abu Bakar As-Shidiq to find out his biography. Researchers studied in more detail and explored data on the leadership policies of Caliph Abu Bakar As-Shidiq and what were the contributions of Caliph Abu Bakar As-Shidiq in Islamic da'wah. So the author found that in a short time, he crushed the apostates who claimed to be false prophets and people who denied zakat and prayer.
Purwanto et al. (2024) studied this question.