Essays / Global2 essay on tang and song dynasties of china - help to start and write [3]

i really need help with this global essay and i would so so so appreciate it if you can help me out
Task:
-identify two major advances or innovations of the Tang dynasty and discuss how each impacted China and the world.
-identify two major advances or innovations of the Song dynasty and discuss how each impacted China and the world.
-compare the accomplishments of the Tang and Song Dynasties. In which areas was each most influential?
Guidelines:
-support the theme of the essay with relevant facts, examples and details
-use a clear and logical plan of action
-introduce the theme by establishing a framework that is beyond simple restatement or the task and conclude with a summation of the theme.