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?

What was an immediate result for japan after world war i?       a.  a boosted economy      b.  a slower economy      c.  a weakened military      d.  less territory controlled by japan

Why was russia drawn into a conflict with germany after ausria-hungary declared war on serbia ?

How were the okanogan highlands formed? a. by subduction, which caused huge folds in earths surface b. as a result of retreating glaciers carving great valleys into the earth c. when molten rock from under the earth approached the surface d. when the collision of volcanic island chains and ocean rocks formed new earth