This is called making of the new laws which requires the senate the president and the executive committee
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.
Stratify means to divide into parts, and unequal parts, such that there is a hierarchy between people.
One of the ways that the American people are stratified is financially: the richest people can have control over the poorer people. This is often connected to politics: the richest people have more political power.
Another way is through education: the more educated people can have more power than the less educated ones.
