Which innovation directly led to the development of the first city-states? O A. Levees
O B. The wheel
C. The calendar
D. Astronomy

Which event was one of the causes of the french revolution in 1830?

What is the relationship between the supreme court and the lower courts? the supreme court must abide by the decisions of the lower courts. the supreme court appoints judges to the lower courts. the supreme court can overrule decisions made by the lower courts the supreme court can impeach judges from the lower courts.

Which physical feature minimizes population density in northern africa?