Explanation:
What event? The question is meaningless with no context.
Good question it depends on how dangerous and the people
C, Christianity good luck
Usually people would settle wherever they could find rich soil and a water source. so mountains were one of the main places that people settled in early civilization.
The main way in which the development of the steam locomotive was so important to industrialization is that it allowed for steam to be used in factories that could use the steam power to run engines that could assemble products and create textiles with unprecedented speed.
