The correct answer is D. 'oppressed.'
This term refers to the lowest caste in India, to those who are practically untouchable. Today, this term is considered to be unconstitutional in India, where they prefer the term Scheduled Castes to refer to this social stratum.
1. Bhutan
2. Nepal
3. Tajikistan
Each one exceeds 10,000 avg. feet, Bhutan being the tallest avg.