Which of the following is not a factor that impacts the stability of a society?
a. population size
b. resource availability
c. management practices
d. available money

I will go with d. availability of money.  The value of value of money in a society is affected by the other three factors mentioned above.  You may have lot of money printed but its value can be affected by various factors that lower its purchasing power.

answer; passive listening;

answer; did not understand that the act was wrong because she/he was suffering from a mental illness;