At varying times, Cambodian culture also absorbed Javanese, Chinese, and Thai influences. Between the 9th and 15th centuries, a prosperous and powerful empire flourished in northwestern Cambodia. The Khmer kingdom of Angkor, named for its capital city, dominated much of what is now Laos, Vietnam, and Thailand.
A (im typing this for charater limit)
I'm not 100% sure but it could be: Voluntary Exchange takes place between buyers and sellers:
(btw I copied and pasted from the question so I didn't take any content :D)