How did chinese philosophy during the tang and song dynasties impact korean society?

Korean government officials based policies on Confucian principles.

Korean government officials based policies on Confucian principles is the correct answer.

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.

d) all choices are correct