I feel you my teacher made me do kind of the same thing if I help you help me
By 1279, the Mongol Empire covered over 33,000,000 km² (12,741,000 sq mi), up to 22% of Earth's total land area. It held sway over a population of over 100 million people.
The best known piece composed by Ravel is Boléro. At the time of the composition, (1928) Joseph Maurice Ravel was considered as France´s most imortant living composer. Ravel was one of the first composers to use recordings to take their work to a greater public.