States representation in Congress is the answer
Before the Portuguese explored and went to the East, in order to obtain the Asian goods, they had to trade with the Muslims and was more expensive. But, after Vasco de Gama reached India, the Portuguese had a sea route that gave them direct access to Asia which meant no more trading with the Muslim. They could trade with the rest of Europe and sell for cheaper.
The correct answer is Innovators developed a process to produce steel inexpensively.
The Second Industrial Revolution was born with scientific and technological progress that occurred in England, France and the United States, around the second half of the 19th century.
The discovery and use of new energy sources - oil (in the combustion engine), water (in hydroelectric plants), uranium (for nuclear energy), have further revolutionized industrial production. The list of inventions and discoveries is huge, which represented greater comfort for the human being.