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>
The first one im pretty sure is correct
We can connect ourselves form the past by looking at the different hings that our ancestors did.
War elephants<span> played a critical role in several key battles in antiquity, but their use declined in the Middle Ages. With the spread of firearms in the early </span>modern period<span>, military </span>elephants<span> were restricted to non-combat engineering and labour roles, and some ceremonial uses.</span>
