How did the umayyads unite the many lands and peoples of the islamic empire?

Who was william johnson? a. a revolutionary war veteran b. was the most prominent free black in mississippi c. a field slave d. inventor of the cotton gin

The battle of fort wagner is most important for which

The incas used quipus to options -preserve there history -keep records of people and goods -decide when to plant crops -decide work amoung peasant familys