& Which of the following statements best describes the period in Roman history known as the Pax Romana? Pax Romana occurred when Rome was a republic and there was a lot of civil unrest.
Pax Romana occurred while Rome was an empire when wars were less frequent and the empire grew strong.
O Pax Romana occurred when Rome was beginning to form its republic and marked a period of great thinking.
Pax Romana occurred when Julius Caesar became the main ruler of Rome and caused many governmental changes.

Correct answer is Pax Romana occurred while Rome was an empire when wars were less frequent and the empire grew strong.

Explanation:

A is not correct as during the Republic were a lot of unrests. Slave revolts, Civil wars between Sula and Gaius Marius, Caesar and Pompey, Octavian and Marcus Aurelius, Punic wars... It was hard to establish peace.

B is correct as during Octavian Augustus reign Rome as an empire spread its boundaries and for a period of around 200 years led not so frequent wars, which were successful. Roman culture, economy and all other aspects of society were flourishing.

C is not correct because as we said during period of Republic there were many unrests.

D is not correct as Julius Caesar led many military campaigns, mostly in Gaul and Britain and a civil war against Pompey.

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.