Government Disadvantages of One Party System It encourages bad rule. It leads to the victimization of opposition groups. It perpetuates bad leadership in office. It can lead to the unpopularity of a regime. It can lead to dictatorship. It is undemocratic. Was this helpful?👍 Yes👎 No ← Previous Advantages of One Party System Next → Two Party System Leave a comment Cancel replyYou must be logged in to post a comment.