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.
The Anti-Federalists have been against the ratification of the Constitution due to the fact they felt that it gave an excessive amount of power to the countrywide authorities.
<h3>Why people opposed the ratification of the Constitution?</h3>
People who were against the ratification of the Constitution have been known as the Anti-Federalists. They have been worried that the Constitution gave an excessive amount of power to the countrywide authorities at the cost of the state governments.
Anti-Federalists feared that tyrannical, countrywide authorities could take rights away from American citizens.
Hence, The Anti-Federalists have been against the ratification of the Constitution due to the fact they felt that it gave an excessive amount of power to the countrywide authorities.
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Answer:
to understand natural landform changes and potential hazards for populations
