Explain how augustus paved the way for 200 years of peace

Basically He fortified rome and made the military so great that no country tried to mess with them. If they did they were destroyed.  

Explanation:

the term is einsatzgruppen

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.