Earlier quoted context omitted.
In countries with a functioning education system (take your pick), this is what high school is for. Edit for downvoters: In France, this was the high-school leaving exam (literary track) in history for 2015. Four hours to write an essay on each of the following two topics: 1. "South and East Asia: The challenges of population and growth." 2. "The paths of power: The United States and the world at the end of the 1960s…
I went to a very elite high school in the US and my final exams included questions similar to that (the IB). Some of my teachers literally wrote the textbooks on their subjects. That doesn't mean my high school classes were anywhere near the depth or intensity of my college classes. While high school provided me with a solid foundation in all the disciplines, it's not set up to go in depth on specific areas. As a com…
Also, I did IB too (got a 7/7 in HL History ;) ), and anecdotally I think it's dramatically easier than the French high school diploma. The History exam, at least, may not be multiple choice but it usually asks about very concrete things.
"1. With reference to one war before 1945 and one war after 1945, assess the significance of either air power or naval power in deciding its outcome."
This is basically a step up from regurgitating facts. I agree it is not as deep as what you will have to learn in a university course.
The questions I gave in my example were much more open-ended and require a lot of independent analysis and synthesis to approach, as well as knowing a lot of facts.