It was "Trygve Lie" who was the first Secretary General of the United Nations, and Post WW II Japan was primarily reorganized by General MacArthur as he modified the economic interests of zaibatsu's.<span>
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The Ancient Greek golden age<span> occurs under the leadership of Pericles in the 5th century BCE. These achievements were mainly confined to the city-state of Athens, where a strong economy and good government created the conditions necessary for such advancements.</span>
According to Richard Neustadt landmark book,"Presidential Power" he argued that the president's most fundamental power is the power to persuade. He said "Effective influence for the man in the White House stems from three related sources: first are the bargaining advantages inherent in his job with which to persuade other men that what he wants of them is what their own responsibilities require them to do. Second are the expectations of those other men regarding his ability and will to use the various advantages they think he has. Third are those men's estimates of how his public views him and how their publics may view them if they do what he wants."
Its really up to you...But a central government is when the government is controlling to unitary state while a strong government is when a federal/national government that has primacy the states/countries are primarily set up to mange the rules.
Make sense? if i did i am happy to help
if i didn't..Im sorry thats the best i can do