He was the first to develop a process to manufacture steel.
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The main reason why the twenties are sometimes called an "age of prosperity", especially in the United States, is that "<span>A.Incomes throughout the United States grew and the middle class held most of the wealth," due mostly to speculation in the stock market. </span>
I believe the answer is Art and intellectual activity flourished in europe
Renaissance is regarded by historians as a turning point from the middle ages to the modern society.
During this time period, many people started to manifest their intellectual capacity into science, art, and literature and led to several inventions that were crucial to move the society forward.
Answer:
With the Discovery of trench warfare, There was a need for weapons that were capable of long-range destruction and also inflict maximum damage at the same time. this resulted in the invention of many new weapons.
They ruled that the freedom of speech protection afforded in the U.S. Constitution's First Amendment could be restricted if the words spoken or printed represented to society a "clear and present danger."
