A system where the interests of the people were represented by more knowledgeable or wealthier citizens who were responsible to those that elected them is Democratic centralism. Thus the correct answer is A.
What is democracy?
Democracy refers to a political system where citizens of the country elect their own representative who will work for the welfare and development of the society and provide better facilities.
These representatives have a more knowledgeable approach towards the issues of the society and work effectively for the growth and development.
Therefore, option A democratic centralism is appropriate.
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