What is the most likely factor that contributed to Sudan’s division into Sudan and South Sudan?
A. The Sudanese government’s referendum to establish South Sudan won 98 percent of the vote.
B. Decades-long civil wars between the North and the South caused division in Sudan.
C. Sudan’s many ethnic cultures refused to hold a national identity above their tribal identities.
D. The geographical differences had resulted in incompatible northern and southern cultures.
Is the answer C?