Refer to the information provided in Figure 31.1 below to answer the question(s) that follow. 
Figure 31.1
-Refer to Figure 31.1. Which of the following causes the ppf to shift from ppf2 to ppf1?
Definitions:
Socrates
An ancient Greek philosopher known for his contributions to ethics and epistemology, and as a pioneering figure in the field of philosophy, famous for the Socratic method.
Laws
Rules and regulations established by society, institutions, or natural phenomena, guiding behavior or processes.
Honor
A code or sense of integrity and morality, often associated with fulfilling social obligations, duty, or maintaining one's reputation.
Principles
Fundamental truths, laws, or doctrines that serve as the foundation for a system of belief or behavior or for a chain of reasoning.
Q20: Refer to Figure 32.1. At point B<br>A)
Q41: Which of the following is not an
Q51: An important source of increasing productivity is<br>A)
Q131: Related to the Economics in Practice on
Q143: Refer to Figure 32.2. According to _,
Q152: The _ hypothesis suggests that errors in
Q172: If the stock of money is $60
Q187: The growth rate of output of the
Q255: The average level of one's _ income
Q299: Assume households have positive wealth. If the