The term "pax romana" refers to the period of
peace and prosperity during the first two centuries of the roman empire civil wars between roman generals which destroyed the republic
democratic government following the abolition of the senate
slave revolts which weakened the republic

The correct answer is A) peace and prosperity during the first two centuries of the Roman Empire.

The term "Pax Romana" refers to the period of peace and prosperity during the first two centuries of the Roman Empire.

When historians refer to "Pax Romana" they are talking about prosperous years of peace and stability in the Roman Empire. It started with Emperor Augustus, who established order within the empire. The Pax Romana lasted almost 200 years, in which the Roman Empire expanded and grow with order and enforcing the law to its citizens.

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.