Shang dynasty Describe this development.
What did it look like?
How was this different to what was done before?

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 is the best answer for this question.

assessment is the missing word

it was on the rise and doing very well and would continue to do well until the great depression from 1929-1939