Unified power is the political power principle of communist states, whereby political power, instead of being separated into different branches as Montesquieu called for, is unified, in the state's case, in the highest organ of state power and in the communist party's case, in congress.
This principle drew inspiration from the Paris Commune established in 1871. This commune established a representative institution, the Commune Council, which had executive, legislative and judicial powers and, therefore, no separation of powers. Karl Marx wrote approvingly of this model, noting that it was "a working, not a parliamentary, body, executive and legislative at the same time."[1]
The constitution of the Russian Soviet Federative Socialist Republic was the first modern state formation to put this system into practice, and designated the All-Russian Congress of Soviets as the highest organ of state power. Vladimir Lenin, the leader of Russia at the time, believed that only through unitary power could one govern in the name of the dictatorship of the proletariat.[2]
In communist systems, the highest organ of state power works under the ruling party's leadership.
China's political system, officially referred to as the system of people's congress, is grounded on this principle.