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.
I think the answer is B but I'm not sure sorry
It might be either Paleo or plains indians.
B.<u>U.S. District Courts</u> hear the majority of federal cases. The Supreme Court hears less than 1% of all of the cases it is actually asked to hear each year.