To end suffering in their life, Nirvana
Answer: Economic means relating to economics or the economy.
Opportunity cost means: The loss of potential gain from other alternatives when one alternative is chose
Scarcity means: The state of being scarce or in short or in short supply; shortage
Demand: an insistent and peremptory request, made as if by right
Supply: make something needled Ir wantsd available to someone;provided
Explanation:
Khmer Rouge is associated with Cambodia.