Which ancient civilization was made up of city-states such as Sparta and Athens?

Which ancient civilization created mosaics as a form of art?

Which ancient civilization was the birthplace of democracy?

Which ancient civilization passed along their history by storytellers known as griots?

Which ancient civilization invented aqueducts to bring water into the cities from the mountains?

Which ancient civilization built roads to help it travel to the far reaches of its empire?

Which ancient civilization invented columns?

Which ancient civilization was ruled by kings such as Mansa Musa and Sundiata?

Which ancient civilization was located in northwest Africa near the Niger River?