How many years has China been in history since the Xia Dynasty

During wwi, literacy tests were used to control immigration, which marked a return of what type of ideology in some americans?

How do i do this? true or false? : elephants have the same dna as humans and bananas alike.

Plz which of the following statements about spanish plantations is not accurate? a. spanish plantations grew sugarcane for export to spain b. the spanish had little concerned for the lives of the indians who worked on the plantations. c. spanish plantations grew wide variety of crops and center produce to many different european countries. d. to replace the native americans our dying off the spanish imported african slaves.