The first writing presumably developed to handle recordkeeping for a centralized economy. where did this first happen?

The first writing on cuneiform tablets presumably developed to handle record keeping for a centralized economy. This first happened in Southern Mesopotamia.

This cuneiform is a system of writing which was first developed by the ancient Sumerians of Mesopotamia.It is considered the most significant among the many cultural contributions of the Sumerians especially used for record keeping.

pan-africanism or pan-africanism is a political, philosophical, cultural and social movement that promotes african twinning, the defense of the rights of african people and the unity of africa under a single sovereign state, for all africans, both africa as of the african diasporas.