MasterP said:
Looking back, I can’t remember any country where a single party system worked.
People’s Republic of China?
Wikipedia said:
-It is a socialist republic ruled by the Communist Party of China under a single-party system and has jurisdiction over twenty-two provinces, five autonomous regions, four municipalities, and two Special Administrative Regions.-The PRC is considered to be a major power and an emerging superpower,[4][5] holding a permanent seat on the UN Security Council and memberships in the WTO, APEC, East Asia Summit, and Shanghai Cooperation Organization.
-China is a nuclear state and has the world’s largest standing army and fourth largest defense budget. China is one of the world’s fastest growing economies in terms of nominal GDP growth, and is the fastest-growing major economy.[6] It has the world’s third largest GDP in nominal terms or second largest in purchasing power…
That sounds like working to me.
Of course it depends on what definition of “worked” you have.