Answer:
B. Discretion
Step-by-step explanation:
The policy preventing Nathan from implementing his idea shows low level of discretion. Discretion gives an individual the right or latitude to do or not to do a particular thing. When there's low degree of discretion, the individuals "hands are tied" in a matter of speaking as they not not given much latitude to do what they want. Discretion gives individuals the powers to act on their own judgement, taking actions and implementing them.