They have a common because they all share a location which can be implemented on maps
Having no context and never having been to Australia, I would assume that there is a lack of opportunities for proper "brick and mortar" based schools for some areas of Australia.
Again, no context and no first hand knowledge of the continent...so, take it as you will.
B. The group of states including those in the Northeastern United States
The answer is:
1. It increases competition.
Answer:
The term Buddha literally means enlightened one, a knower.
Explanation: