Question

Policy plans created to address a societal problem can be adopted by the what

Answer 1

For the legislative power.

The policy plans created to address a social problem are adopted by the legislative branch, which is in charge of addressing social problems such as the problems and demands of society.

Answer 2

Generally speaking, policy plans created to address a societal problem can be adopted by any level of government (except usually the judicial branch). This happens most commonly in the legislature--either the federal or state legislatures depending on the societal problem in question.