I think the third option would be a suitable answer.
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:
It rapidly increased due to an increase in immigration
She used the methods REASON AND EXPERIENCE.
Answer:
The Civil War and Reconstruction period
Explanation:
