A. recruitment of youths as casual workers
B. desperate desire by youths to travel abroad
C. buying and selling of humans for a selfish purpose
D. transportation of goods and services through human portal
Correct Answer: Option C
C. buying and selling of humans for a selfish purpose
Explanation
Human trafficking is the action or practice of illegally transporting people from one country or area to another, typically for the purposes of forced labour or sexual exploitation.