Which is a system of leaders who carry out the work of government?

- A system of leaders who carry out the work of the government through the use of department, in which one person has control over all branches of the government.

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Explanation:

Bureaucracy is a system set to control a country or organisation. It's characterised by centralised processes and hierarchies. So, it's a system that only qualified people can access, this topic is what socialist called nondemocratic, because for them is a way to control power among few people.

the answer is b your welcome : )