Calendars were developed for many reasons.
which reason did not prompt the development of a calendar?
farmers needed to know when to plant their crops.
emperors needed a way to control their subjects.
priests needed to keep track of special days.
people needed to be able to predict the annual floods.

Just think, why was it effective? -it appeled to critics because it was written well, that made it noticeable to the public including the white population-it was also recognizable to the african americans because it was about their heritage.-it was powerful just keep finding more points and elaborate on them. message me if you need more