Today, government in the United States is most similar to the ( Athenian democracy, roman republic) because it is a ( direct democracy, representative democracy)
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Roman Republic, Representative Democracy.

Explanation:

The Athenian Democracy closely followed that of a direct democracy, in which each male citizen was given a voice in politics and was able to directly shape their civilization.

The Roman Republic, on the other hand, followed a representative democracy to a certain degree. In this case, there is a senate, created by members appointed by consuls. This was a indirect indirect representative democracy, in which technically they do the same job as our indirect democracy, but in this case, the people are not given the chance to actually vote for their representatives. However, it is still a form of indirect democracy, and lines up with the United State's current system of government much more better than direct democracy. However, that is not too say that direct democracy is not used in the United States, it is just not used frequently.

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Correct answer is:

Today, government in the United States is most similar to the Roman Republic because it is a representative democracy.

Explanation:

Although Athens is known as the world's first democracy, system that exist in United States today is most similar to Roman system.

Namely, Roman Republic was choosing its officials to represent them in the bodies such as Senate, which is also the case today with United States.

nuclear fission produces the atomic bomb, a weapon of mass destruction that uses power released by the splitting of atomic nuclei the fighting in iwo jima and okinawa affected the allies' pacific strategy because truman decided to drop the atomic bomb on mainland japan.

the answer is a. mothma gupta.