a change of government by force is a
Regime change Regime change can be precipitated by revolution or a coup d'état. The Russian Revolution, the 1962 Burmese coup and the 1990 collapse of communism in Eastern Europe (→ #Dissolution of the Eastern Bloc) are consummate examples.
Separation of powers in Australia Currently, there is no constitutional system where there is a complete separation of powers. The strict doctrine exists only in a theory â€“ in reality, some overlap is inevitable, though a system of checks and balances has developed.[2] In the Westminster system, ministers (executive) are required to sit in Parliament (legislative). This is to adhere with the concept of Responsible Government. This is also present in the Australian system, being a requirement of section 64 of the Constitution.[3]