How did Britain's withdrawal of troops from the BNA, the Fenian raids, and the American Civil War encouraged BNA to think about creating a single country?

British North America decided to create a single country because they needed independence and strength. After America beat off the British, the soldiers went unpaid and the soldiers homes were foreclosed. They rioted and destroyed court houses. A strong Govt. was needed to keep America together.

Explanation:

representative government

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.