Question

Why are Cicero's works important to the study of Roman history?

		They offer a vivid picture of the public and private life among the Roman governing class.
		They recount some of the more obscure stories in Roman mythology.
		They document key scientific findings during this period of Roman history.
		All of these answers.

How were the Romans finally able to defeat Hannibal in the Second Punic War?

Hannibal succumbed to the plague in battle.

Rome brought elephants into battle, which confused the enemy.

Rome did not beat Carthage in the Second Punic War.

They threatened the Carthaginian capital, which recalled Hannibal from Italy to Africa

How is the conflict between Marius and Sulla significant to the breakdown of the late Republic?

Their dispute constitutes a civil war and the beginning of internal warring amongst Romans.

Their dispute highlights a key split between the optimates and populists that would only widen.

Their dispute set the precedent for a single man acting against the Roman senate for his own gain.

All of these answers.   

Why was Julius Caesar's crossing of the Rubicon with a legion significant?

Another legion was already stationed at the Rubicon, and Caesar's crossing ignored its presence.  

It symbolized his entering of Roman territory under arms against the city.

The senate had specifically placed the Rubicon out of Julius Caesar's jurisdiction.

The Rubicon was the sacred haven of the goddess Roma, and the presence of a legion was offensive

How did the Edict of Milan change the standing of Christianity in the Roman empire?

The edict made Christianity the official state religion of the empire.

The edict officially forbade the practice of Christianity within the empire.

The edict made the empire officially neutral with regard to religious worship.

None of these answers.  

Why did Diocletian establish the Tetrarchy?

He sought to reorganize and stabilize a crumbling and overextended empire.

The other Tetrarchs threatened him with and political rebellion and assassination.

All of these answers are correct.

He was under increasing pressure from the senate to distribute power he had collected.

Why did the eastern and western parts of the empire become increasingly divided?

		Constantine moved the official capital of the empire from Rome to Constantinople.
		Because of the Tetrarchy, multiple emperors ruled the empire and presided over different regions.
		The West remained primarily Latin-speaking, while the East was primarily Greek-speaking.
		All of these answers are correct.

Answer 1

1. The correct answer is Option 1. Cicero’s work offers a vivid picture of the public and private life among the Roman governing class.

2. The correct answer is Option 4. Romans were able to defeat Hannibal in the Second Punic War as they threatened the Carthaginian capital, which recalled Hannibal from Italy to Africa.

3. The correct answer is Option 4. All of the answers are significant to the breakdown of the late Republic, that was caused due to conflict between Marius and Sulla.

4. The correct answer is Option 2. Julius Caesar's crossing of the Rubicon with a legion significant because symbolized his entering of Roman territory under arms against the city.

Please post the other questions separately as we are supposed to answer just one question or four sub parts of a question.