Which of the following factors contributed to the success of the commercial revolution in europe
a. european bankers hoarded gold to prevent it from reaching asian markets
b. middle east europeans demanded democratic forms of gov in europe
c. europe demanded for luxury goods increased following the end of the crusades
d. new farming tech agriculture become central to european economies

10 points per question and brainlist 1. name four of the ruling dynasties of china. describe at least three contributions to society from each dynasty. 2. why did the qin ruler zheng burn chinese literature and philosophy books? how did the han dynasty establish a strong and effective government? why did people rebel against the sui rule? 3. what new technologies were invented during the tang dynasty and fully developed in the song dynasty that would eventually have a great impact on the world? explain why this technology had such an impact. 4. who were the invaders that seized control and took over the song dynasty? 5. how was china's history affected by its policies of isolation from the outside world during the ming dynasty?