What advance made possible the growth of sahelian empires such as ghana, mali, songhai, and kanem-bornu?

When the united states entered world war ii it affect the lives of americans in many ways people were asked to such as food oil and gas the government awesome cars to purchase a to the country financially during the war more more working in all industries during the war

Which leader told the israelite people that god would lead them to a “promised land” if they obeyed god faithfully?

Why did kennedy choose lyndon b. johnson to be his running mate