How did british rule
contribute to the development of indian
nationalism?

The British system of rule gave upper-class Indians opportunities to be educated in Europe and to serve in minor government roles. A generation of educated Indians, then, were exposed to Enlightenment ideals of democracy and national sovereignty.

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.

after defeating german forces in north africa allied leaders turned their attention to "italy," since this was the location that made the most geographic sense before invading northern europe via france.