George Westinghouse<span> (1846-1914) was an American entrepreneur and innovator who invented the railway air brake and exerted considerable control over the American electrical </span>industry<span> during the the Second </span>Industrial<span> Revolution. Westinghouse was a major </span>competitor<span> against </span>Thomas Edison<span>, and whereas Edison's ...</span>
<em><u>Lack of sanitation,</u></em><em> </em><em><u>ineffective treatments</u></em>, and <em><u>increase of rats and fleas</u></em> are the contributors. The other three are the effects.
