He thesis statement of an argumentative essay should

Explain what the readers are going to be reading.

Explanation:

The thesis is what states the main idea and helps control the other paragraphs. For the writer and reader, it can be a roadmap, explaining exactly what the overall topic is.

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.