A dialysis machine<span> replaces your kidneys when you can longer properly use them.
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I think the answer you may be looking for is he invented the printing press. His most famous accomplishment is the Gutenberg Bible. He is known as the father of printing. However, if you research it, you'll find different results, such as the Chinese beat Gutenberg by a full thousand years in that they invented the first printing press.
Vicksburg was the last stronghold until the Union could have the Mississippi River. If they were to take Vicksburg, they would split the Confederacy and go along with their Anaconda Plan. They did so by starving Vicksburg to surrender.
The substance of the French decralation of independence was mainly guarantee of freedom of expression and the press as well as outlawing abitrary arrest. the freedom and speech and press were deemed sancrosact and the role of any state or political movement deemed to be simply the need to protect these liberties.