What is the primary purpose of most constitutions? a. to define a moral code for people to follow b. to provide a substitute for government c. to prevent a strong central government d. to define and limit government power e. to give the government absolute power

The main purpose of most constitutions out of these possibilities is D) to define and limit government power. It is usually not E) to give the government absolute power, but is a possibility. It is also not necessarily A) to define a moral code for the people to follow, and it also is not necessarily C) to prevent a strong central government because often constitutions create strong central governments. 

The answer is protestant reformation.