The Khmer people, now native of Cambodia, were apart of a Kingdom named <span>Kambuja. Kambuja was located in the era of the Iron Age in India. </span>
Answer:
The US has a larger immigrant population than any counrty, with 47 million immigrants as of 2015. This represents 19.1% of the 244 million international migrants worldwide, and 14.4% of the U.S. population nation:
D is the answer for this question as it is the most likely.