What made Legalism the most restrictive form of government?

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Legalism

In order to prevent such deaths, a ruler had to create a body of laws which would direct people's natural inclination of self-interest toward the good of the state. A ruler had to create a body of laws which would direct people's natural inclination of self-interest toward the good of the state.

a they donate money to humanitarian causes

c   they volunteer to alleviate suffering

d   they blame all muslims for not being able to keep their fellow muslims in line.