<h3>Controlling the bureaucracy can be difficult for the following reasons: ... Civil service laws: Firing bureaucrats, even for incompetence, is very difficult. Clientele groups: Many federal agencies provide services to thousands of people, and those people sometimes rally to defend the agency.</h3>
<h2>please mark in brain list </h2>
Dinastía Han. Dinastía Imperial china (206 a.n.e.-220), fundada por Liu Bang (cuyo título Imperial fue Gaozu), un humilde soldado de fortuna que llegó a ser duque de pei, después príncipe Han y por último (206 a.n.e) emperador de China. Los Han lograron hacer China un poderoso estado unificado.
Explanation:
Because it was the first big group of people who had one leader, always lived in a concrete place. Also they invented lots of new things that was more complex than those things who were invented before