Tang


 * the econemy became very weak during it's rule
 * basically everyone was starving by the end
 * Taxes increased on everyone but especially the peasants causing an uprising
 * Hsuan Tsung neglected his duties when he fell in love and got distracted
 * All friends and family of the woman were placed in government positions
 * A great war broke out and the fighting went on for eight years, even after it was stopped the government was never the same, the generals around the border withheld tax money and eventually created ther own kingdoms from the land they were to protect.
 * the national strength weakened daily due to the separatist forces in local areas.
 * the Tang dynasty declined from generation to generation.