The Romans and Jews helped spread Christianity
China's president did not have enough power.
The answer to this question is option D. National level policies tend to be more fair to a wide variety of citizens and can help.
National policies can be defined as actions or statements that are undertaken at the federal level level of government that can be of benefit to every citizen of a country.
National policies are not geared towards just a group of persons, state or local government. The objectives are for the benefits of all.
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Democracy is the regiment where the power is in the hand of the majority of the people. However, this can be achieved in 2 ways; either the people have a direct say or the people re represented by representatives that are voted for. THese two types are direct and indirect democracy respectively. We see that A and D are examples of direct democracy since the people are directly involved in taking decisions. Choice B exemplifies a general axiom of democracy. Finally, choice C is correct; it shows how the Americans are represented when decisions are taken.