Answer:
A. The demand rises while the supply falls.
Explanation:
When demand rises people want more of a product, but if the amount of that product (supply) is low it's more difficult to acquire said product, making it more expensive.
This one is pretty easy, emperor Constsntine, I think that's how you spell his name.
It started in 1954 and ended n 1974
Low paying job because he is only earning min. wage.