Energy.
The Second Industrial Revolution<span>, also known as the </span>Technological Revolution,<span>was a phase of rapid industrialization in the final third of the 19th century and the beginning of the 20th. The First </span>Industrial Revolution<span>, which ended in the early-mid 1800s, was punctuated by a slowdown in macroinventions before the Second Industrial Revolution in 1870.</span>
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The State of Louisiana. It was known as a major cotton producer <span>and the first to be carved from the Louisiana Purchase, had </span>entered the Union as a slave state<span>.
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B.to search for gold and others precious metals