Concept:The central message of Prophet Muhammad's (SAW) call in Makkah was absolute monotheism.
Explanation:In Makkah, the Prophet's (SAW) da'awah focused on inviting people to worship only one God, Allah.
This is the message of Tawheed, which is the foundation of Islam.
The Qur'an repeatedly commands him to declare the oneness of Allah and to reject all forms of idol worship.
While warning against divine punishment was part of his mission, it was secondary to establishing the unity of Allah.
The Prophet's (SAW) early preaching centred on cleansing Makkan society from polytheism and calling them to sincere faith in one God.
Answer:A. the unity of Allah