PLS ANSWER

For how many years was Constantinople the capital of a united Roman Empire?​

for 100 years hope it helps

Explanation:

For about more than 1,100 years, Constantinople was the capital of a united Roman Empire.

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.