Hmmmmmmmmmmm….. Truthfully it’s A :)
Answer:
The Tang Dynasty, which ruled China from 618 to 907 CE, conquered Vietnam, and made it the southernmost province of China.
Vietnam, up until that point, had been a problematic place for China, even it it was much smaller. The Tang Dynasty was able to conquer the area, and integrate into the central bureacuracy of the Empire, this is why they began to referred to Vietnam as the "pacified south".
With the bill of rights/individual rights..same thing
Two of the most common problems that many European colonists faced were 1) a lack of food due mostly to improper knowledge of farming, and 2) hostile native populations.