Gunpowder in Tang and moveable wooden type in Song.
Answer:
D, It created a weak federal government with no powers to impose taxes or regulate trade.
Apologies if I'm incorrect.
Answer:
World war one had devastating effects on Europe . The Great War demolished the Austria-Hungary Empire and the Russian Empire. New states were established out of these former empires including Yugoslavia , Czechoslovakia , Estonia , Latvia , Lithuania and Poland .
Explanation:
