There were some important developments that have had a significant impact on the Turkish experience of constitution-making; The Deed of Alliance (Sened-i İttifak 1808), The Edict of Tanzimat (Tanzimat Fermanı 1839), the Edict of Islahat (Islahat Fermanı 1856), The Constitution of 1876 (Kanun-i Esasi 1876). Deed of Alliance was regarded as the starting point of Turkey’s step towards creating a constitutional government. The deed was signed in October 1808 between the Sultan of the Ottoman Empire, Sultan Mahmud II and the representatives of provincial notables (Ayan).

The correct answer is A.