The best explanation as to why direct democracy would not work well in the United States is that

1. voting is not mandatory in the United States,

2. the use of direct democracy would make debate on issues by individuals too difficult.

3. Ancient Greece was smaller and less geographically diverse than the United States.

4. the population of the United States is too large.

The correct option will be option B That the debate on issues regarding individuals become difficult.

Explanation-

America has a large population and direct democracy in cause many issues between the majority and minorities in the society. In Greece And Athens the area for small and less Geographic leader verse so the people had a say in in the democracy but for countries like America which has a greater diversity it is impractical to bring a balance between majorities and minorities hence direct democracy is debatable.

The correct answer is 2. The best explanation as to why direct democracy would not work well in the United States is that the use of direct democracy would make debate on issues by individuals too difficult.

Explanation:

Direct democracy is a form of government in which citizens themselves directly influence the legislative process. It is the counterpart of representative democracy, where the legislature is transferred by citizens to a people's representation.

Due to the impossibility that all the voters of a country can meet in time and place, the application of direct democracy at all stages of decision-making has not had practical application. Therefore, the common form of application is through semi-direct democracy, where there is a representative government and direct democracy mechanisms are available. This type of democracy is mainly applied in Switzerland.