The advantages of a centralized government impliy the following.
After the industrial revolution, the growth of economics worldwide has been lead by large companies that need centralization to be effective.
But in ancient times like the dynasties in China, a central government unified people in order to have a better control of the society. A strong central authority made possible a much better internal operation of rules.
However, centralization has disadvantages like despotism, autocracy and deaf ears to peoples opinions and demands.
In decentralized systems like the Greeks of ancient times, The Assembly had monthly meetings in Athens to discuss the the problems of the city. The meetings were open to the public in a demonstration of civility and the right of hearing to anyone.
Nowadays we find decentralized governments like the U.S. or centralized ones like Cuba.
I failed My final exam for not studying. I learned that studying is helpful.
I’d have to say C or D but I’d mainly go for C cause it’s pretty logical
economic idk specifically what u mean by effective but in effective in damage there was a lot to be rebuilt after the war and the cost of bullets and guns was bad to