Police, courts and corrections are separate governmental institutions and each has different goals, histories and operational procedures. As such, the criminal justice system is both interdependent and fragmented which leads to the system sometimes being called a .

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

answer; form new memories;

answer; mental health prevention programs;

answer; protecting domestic national security; i believe this is correct,plz check first,good luck;