Because it is interesting and world wars are very important in human history.
Also because wars are the foundations for change and everyone should know at least a small amount of war history.
7 hours, due to studying hard
Elie spend so much time with Moshe because he wanted to learn the idea of studying Kabbalah from him.
I think a seventh grader should study at least thirty minutes a day.
During the US occupation of Japan, historians estimate the US assisted reconstruction of Japan was approximately 1.9 billion dollars.
Billions
because he wanted to learn the idea of studying Kabbalah from him
4,000,000
1000 Trillions of Billion
millions
The way the world reacted at the time, and how much it affected things today.
It depends on which aspect of sleep you are talking about, but in general, not much time is spent studying sleep while in medical school (probably on the order of a few days). But depending on which type of residency the doctor trains in, there may be a lot of time devoted to it. For instance, those studying to become neurologists will spend much more time learning about sleep than those becoming surgeons. Some doctors even specialize in sleep medicine or sleep disorders, and they can spend years in post graduate training to learn about sleep.
Canada spent $1,665,576,000