The founder of the Songhai empire is Askia Muhammad. The answer is letter B. He extended their empire up to the Sunni Ali. He promoted commerce and increased the influence of Islam politically by appointing the Islamic leaders to the government.
Askia Muhammad I is also perceived as Askia the Great, was a political reformer, military leader and emperor of the Songhai Empire during the later phase of the 15th century. Askia Muhammad I belonged to one of the ethnic group of West Africa known as the Soninke group. Under the rule of Askia Muhammad, the Songhai Empire became one of the largest empires in the history of West Africa.
William Berry Hartsfield is also referred to as Atlanta's "father of aviation because he believed that an airport for Atlanta would be a major factor to the city's economic prosperity. He is remembered for developing and promoting Atlanta as an aviation center
There were several reasons why the Spartan soldiers willing to sacrifice themselves at Thermopylae, but the main one was that they had been trained since birth to sacrifice themselves for the state.