Final answer:
The fighting in Sudan is largely the result of ethnic and religious identity, which has led to long-standing conflicts between the Arab, Muslim North and the African South, exacerbated by colonial borders and economic considerations.
Step-by-step explanation:
The fighting in Sudan is largely the result of ethnic and religious identity.
The divisions in Sudan between the Arab, Muslim North and the African South have created tensions and conflicts based on differences in religion, ethnicity, and culture. The colonial borders drawn by European powers have further exacerbated these divisions, causing civil wars and political instability. Additionally, economic considerations, such as access to oil deposits, have also played a role in fueling the conflicts. Overall, the main reason for the start of Sudan's civil wars is the deep-rooted ethnic and religious identities that have led to long-standing conflicts.