Which leader, influenced by the Sokoto Caliphate, established a theocratic state in Masina in the early 19th century?
The correct answer is: D
Explanation
The leader influenced by the Sokoto Caliphate who established a theocratic state in Masina in the early 19th century wa Seku Amadu. He was inspired by the Sokoto Caliphate's model of Islamic governance and sought to establish a similar theocratic state in Masina.