Concept:A single-party system restricts democratic freedoms, especially personal liberty.
Explanation:In a democracy, citizens expect freedom of speech, press, and association.
A single-party system allows no opposition party to challenge the government.
This leads to suppression of dissent and abuse of power.
It also requires secret police and repression to control the people.
Therefore, such a system is opposed because it curtails personal liberty.
Democracy and good governance require protection of individual rights, which a one-party system denies.
Answer:C. curtails personal liberty