The movement led by El Hadj Umar Tall in the 19th century aimed to create an Islamic state in
Senegal
Mali
Guinea
Mauritania
Correct answer is B
El Hadj Umar Tall was a West African political leader, Islamic scholar, and Tijani Sufi who founded a brief empire encompassing much of what is now Guinea, Senegal, and Mali in the 19th century. His movement aimed to create an Islamic state in Mali.