Concept:The Ekiti Parapo was a 19th-century alliance formed by Eastern Yoruba groups to resist domination.Explanation:The Ekiti Parapo united the Ekiti, Ijesa, and other Eastern Yoruba peoples.They fought against the rising power and expansionist policies of Ibadan.This led to the Kiriji War, the longest civil war in Yoruba history.Answer:B. the rising power of Ibadan