<span>"Shouting fire in a crowded theater"</span><span> is a popular </span>metaphor<span> for speech or actions made for the principal purpose of creating unnecessary panic. The phrase is a paraphrasing of </span>Oliver Wendell Holmes, Jr.<span>'s </span>opinion<span> in the </span>United States Supreme Court<span> case </span>Schenck v. United States<span> in 1919, which held that the defendant's speech in opposition to the </span>draft<span> during </span>World War I<span> was not protected </span>free speech<span> under the </span>First Amendment<span> of the </span>United States Constitution<span>.</span>
The main way in which the development of the steam locomotive was so important to industrialization is that it allowed for steam to be used in factories that could use the steam power to run engines that could assemble products and create textiles with unprecedented speed.
