38: Shortage
39: Price equilibrium
40: unsure, possibly Utility
41: Diminishing Utility
42: Demand
43: Expenses
44: Opportunity cost
45: Possibly Trade off
46: don't know
47: don't know.
Missing choices:
A. It created a system of dual governance in Florida.
B. It represented the completion of Manifest Destiny.
C. It began the decline of Spain's New World empire.
D. It allowed the United States to develop Florida's resources.
Answer:
D. IT ALLOWED THE UNITED STATES TO DEVELOP FLORIDA'S RESOURCES.
Under this treaty, the United States was able to acquire Florida from Spain.