A. encourages weak leadership
B. does not ensure national unity
C. curtails personal liberty
D. encourages divisiveness
Correct Answer: Option C
C. curtails personal liberty
Explanation
The disadvantage of a one-party system is that there is no check on the power of the Party. This inevitably leads to corruption and abuses of power. What’s more, a one-party state cannot be maintained without secret police, repression, and suppression of the free flow of information.