Answer:
George H.W. Bush
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Bush acknowledged the Democrats' requests for higher taxes and all the more spending, which estranged him from Republicans and offered the route to a sharp abatement in prominence.
Gutenberg's press and the subsequent printing and sharing of philosophical essays about the role of the Church allowed for the Reformation to spread and take root.
Prior to the printing press, a person would have to hand copy a text. The printing press made it so hundreds of copies of texts could be printed quietly and shared widely allowing people to interact with new ideas.
The reason why the spread of the potato is so important to us is that it revolutionised the world's food supply. There was suddenly enough food to feed everyone on our planet. It took one year for the potato to get from London to the south of France. The potato left London in 1599 and arrived in the south of France in 1600. The potato also took one year to get from Madrid to Rome. The potato left Madrid in 1565 and arrived in Rome in 1566.
The North had a heavily industrialized economy while the South's economy was still mainly cash crop exports such as cotton. So when the Civil War broke out the North already had the means of production and the production capacity to make arms and supplies for their troops as well as deliver the supplies to the troops in a speedy manner via the North's extensive railways. Now the South basically had to build its production facility for its war efforts because it had an almost non-existent industrial capacity making it severely lag behind the North in its abiity to supply its troops. Also before the Civil War broke out the US had a lot of pro-industrial tariffs in place which made the Northern states generally wealthier the the Southern states.
The "Big Three" countries were the United States, Great Britain and Russia. They were called this because they were by far the most important allied players during the war, with Russia and Britain taking on most of the casualties.