Intermediate Macro Question, looking for any advice on how to answer it. Thank you.

Explain how each of the following affect the long run equilibrium natural rate of unemployment. (a) A permanent increase in the minimum wage, (b) A permanent increase in unionization of the labor force, (c) A permanent increase in the cost of monitoring the quality of workers' effort, ((1) A permanent increase in the replacement ratio of unemployment-insurance benets, (e) A permanent increase in the proportion of young workers in the labor force