Answer:
A government where a single ruler, like a king, makes all the decisions
Step-by-step explanation:
The Separation of Powers principle refers to the division of power and responsibilities of the government into different branches; in the United States, for example, the government has three branches: the judicial, the Executive and the Legislative. This principle, then, opposes to the concentration of power in one body, or a single ruler, like a king, in order to avoid tyranny and corruption. So, people who believe that separation of powers is important, one government they would not support is one where a single ruler, like a king, makes all the decisions.