Alfred Nobel is best known for his invention of dynamite and an explosive device called a blasting cap
A) Aurangzeb is ya answer
He was 67 years old when he died. He lived from 1732 to 1799
Europe would be in contact with lost knowledge sooner that in reality happened. As the arab nations were more civilized than some others, the cities were preserved and the really important work of the romans would be preserved and enhanced. The gods statues were destroyed and Islam would be the only religion.
Highest point is mount everest i think..