Trenches were dug in a zigzag pattern so that if an enemy entered the trench, he could not fire straight down the line. ... The main trench lines were connected by communicating trenches, allowing for the movement of messages, supplies, and soldiers and were lined with barbed wire.
The Battle of Saratoga was vital to the Revolutionary War because of its strategic location. The British thought taking the river would split New England away from the rest of the colonies, isolating the problem. Another reason why this battle was important was because of the the river being upstream from New York City, supplies could be shipped up and down the river. Another reason the Battle of Saratoga was an important win was because of how it destroyed Johnny Burgoyne's army.
True, it actually is higher.
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>