Police want to take criminals off the streets, prosecutors sometimes make deals with criminals to get someone worse off the streets, and corrections parole these same criminals back out to the streets after they are prosecuted.
The main conflict between state, federal and local offices is jurisdicition. Not sure how to change that.
Random selection (D) you most take a small portion of the large population and analyze that and guess for the rest, an educational guess.
What exactly is this referring to my good sir?!?!
Found this:
Any object moving in a circle or along a curve is changing velocity (accelerating) even if its speed is constant, because its direction is changing. ... An object moving in a circular path at constant speed is a simple example of acceleration at constant speed because its velocity is changing direction.