Answer:
b
Explanation:
it was the two most important industries at the time
Yes, the Second Industrial Revolution did differ from the first<span> in some important ways. ... The </span>Second Industrial Revolution<span> was about electricity and chemicals and petroleum and all the things that can be made and consumed using these. The</span>First<span> was about textiles and coal and iron. A worldwide economy.</span>
It promoted it because now they wanted to fight for there county and supported it