The romans' first code of law was established around:
15
b. c.
200
b. c.
450
b. c.
725
b. c.

The answer is 450 B.C. This was called the Twelve Tables where set in bronze and placed in the public square of Rome. This was to make sure all could the laws and know what was allowed and what was not. 

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.

utilized the penal colony