steam engine<span> were some of the most important technologies of the </span>Industrial Revolution<span>, although steam did not replace water power in importance in Britain until after the Industrial Revolution. From Englishman </span>Thomas Newcomen<span>'s </span>atmospheric engine<span>, of 1712, through major developments by Scottish inventor and mechanical engineer </span>James Watt<span>, the steam engine began to be used in many industrial settings, not just in mining, where the first engines had been used to pump water from deep workings. Early mills had run successfully with water power, but by using a steam engine a factory could be located anywhere, not just close to water. Water power varied with the seasons and was not always available
The steam engine<span> were some of the most important technologies of the </span>Industrial Revolution<span>, although steam did not replace water power in importance in Britain until after the Industrial Revolution. From Englishman </span>Thomas Newcomen<span>'s </span>atmospheric engine<span>, of 1712, through major developments by Scottish inventor and mechanical engineer </span>James Watt<span>, the steam engine began to be used in many industrial settings, not just in mining, where the first engines had been used to pump water from deep workings.</span>
The crusades were launched by Christian Europe to take away control of Jerusalem and the Holy Land from Muslim hands. Muslims never conquered two-thirds of Christian lands, and they never defeated the whole Christianity.