I believe the answer is: Usman and Fodio
Both these scholars wrote hundreds of books for African people regarding, government, culture, religion, and social science.
These knowledge has been used for the past Three centuries after their arrival, by people in western africa as a foundation to built their islamic states.
Answer:
At the out burst of the War in 1861, hundreds of Irish and Irish Americans enlisted in the Union Army. Some joined ordinary regiments, but others created three all Irish voluntary infantries: the 63rd New York Infantry Regiment, arranged on Staten Island
Answer:
effectiveness
Explanation:
A psychotherapist who is adequately trained in a real-life setting can realize that it is a field of constant learning. He or she tends to acknowledge that psychotherapy is not a procedure of surgical efficiency, but instead its an attitude, a way of being with the patient. The effectiveness of psychotherapy depends on multiple dimensions for example the duration of treatment or some time on the goals expected by the patients.