It was the invention of the Printing Press that Johann Gutenberg introduced to Europe in the 1450s, which revolutionized the way in which books, and subsequently knowledge, were spread.
It is an example of emotion in the speech hope this helps
A set foundation of rules, ways of knowing (prayer), and a source of security (God).
The Magna Carta
The Magna Carta, or "Great Charter," affirmed that everyone is subject to the law -- even the king. It was an agreement between King John and the nobility in 1215, but its listing of rights provided instrumental founding principles for the wider establishment of rights for all citizens in the centuries following -- including the rights guaranteed in the Constitution of the United States.
The rainy day is a symbol of life. The idea behind it is that life is like a rainy day because rain represents bad things that happens to you. The poem points out that we shouldn't be miserable because of it because even when there's rain, there's always sunshine behind it so just keep calm and carry on with life and things will get better.