They provided silk
Hope this helped
The answer is option A "Neptune, Uranus, Saturn, and Jupiter" Outer planets are listed in this order also take a look at this link to see proof....
https://www.bing.com/images/search?view=detailV2&ccid=nOu5IiP0&id=BACBDA1F66AD96662D37A4871146D4DFE5...
Hope this helps!
D. Cambodia (mostly), Thailand, Vietnam
The transformation of agricultural products (raw ingredients) into food, or a form of food into another form