At the Most Basic Level, the Distinguishing Characteristic of Government

At the most basic level, the distinguishing characteristic of government that makes it different from private firms is

A) the difference in incentive structure motivating economic activity.
B) its ability to direct resources in a manner that is more economically efficient.
C) its ability to produce goods and services that people value.
D) its ability to use coercive force against people to modify their behavior or force them to pay for a good or service whether they benefit from it or not.