Himalaya Mountains is the answer
More factories opened and more people moved to urban areas
Are u asking who seized the Egyptian throne and made herself pharaoh? If so, I think the answer is Cleopatra.
Wealthy industrialists knew how to invest and exploit the system which wasn't used to heavy industry so they amassed huge amounts of wealth through monopolies and trusts while the common person was struggling to survive and had to work in dreadful conditions. This led to many people starting to support socialist tendencies in order to improve their living standard and the way they were treated in the society.<span />