If a person's action is followed by a pleasurable consequence, the probability of that person repeating the same action increases. this best illustrates .

The correct answer is the law of effect. This is known as a psychological principle by which is advanced by Thorndike (1898). It focuses more on the matter of behavioral conditioning by which focuses on the responses that produce a satisfying effect in regards to a situation of which may likely to occur again. Whereas responses are likely to produce a discomforting effect of becoming less to occur again.

well its not not rising unemployment and falling inflation.

hope this good !

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.