According to this passage, how did king leopold justify his treatment of the congolese people?

The congolese were inferior race who needed harsh treatment to learn to work

Explanation:

the graphs indicate that few people in bolivia work in industry, as that is the least expressive sector shown in the respective graphic.

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.