What innovations and socioeconomic developments account for the widespread prosperity of chinese civilization in the tang-song era and what were the main social effects of those developments?

Averb diagram that shows the similarities and differences of two african kingdoms

Which best describes how president kennedy apples to the audiences at the beginning of his speech?

Which of these would be most useful in studying the effect of germs exchanged between the new and old worlds? a. a graph showing the number of europeans between 1492 and 1600. b. a graph showing the number of native americans between 1492 and 1600. c. a primary source description of the symptoms of an unknown disease affecting native americans in 1492. o d. a primary source description of the symptoms of an unknown disease affecting europeans in 1492.