Answer:
The real causes of World War I included politics, secret alliances, imperialism, and nationalistic pride. However, there was one single event, the assassination of Archduke Ferdinand of Austria, which started a chain of events leading to war.
Explanation:
happy to help ya:P
I think the answer is Ottoman Sultan Mehmed II
Thomas Savery's steam<span> pump. The industrial use of </span>steam<span> power started with Thomas Savery in 1698. He constructed and patented in London the first </span>engine<span>, which he called the "Miner's Friend" since he intended it to pump water from mines.</span>