<span>the correct response would be that the historian is using "research skills", since he must find out the exact order of events. </span>
The 3 great empires were the Mughal, Ottoman, and the Safavid empire.
I think that the heat will not be able to maintain itself enough and the cold gases of the space could freeze earth and we would not be alive.
Hope this helps
A person who believed in 'popular sovereignty' would believe that each territory should decide whether it becomes a free or slaveholder state.