What labor systems did the Mughals have

Slave labour was restricted largely to domestic service. Rural wage rates were depressed owing to the caste system and the “village community” mechanism. In the city, the monopoly of resources by the ruling class necessarily depressed wages through the market mechanism itself.

d. migration of french settlers into english colonies

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.