It's because it contradicted his political ideologies and campaign promises.(A)
Answer:
The extent to which west African and Swahili societies participate in interregional trade in the post classical period is described below in details.
Explanation:
The Swahili Civilization is a society of people in east Africa. Swahili society has origins in Bantu but has been inspired by middle eastern, Arab, Asian, and European societies, all while keeping a different language. Some cities prospered under the Swahili civilization.
The Post-classical era saw some general developments or ideas. There were the development and growth of civilization into new geographic regions.
The European Union (EU) is a politico-economic union of 28 member states that are located primarily in Europe. The EU was created in the aftermath of the Second World War. The first steps were to foster economic cooperation between the members. Hope this helps.