Looking back at history let's you see what didn't work and what will come in the future. Let's say I am looking for a way to stop viruses on computers, I would look back and see where viruses attacked, what their intent was and fixed vulnerabilities that have not been fixed.
It did complex calculations needed to fire artillery!
<span>He states that the ideals of justice, liberty, prosperity, and independence are only shared amongst the white people and not the African Americans. He also states that the fourth of July has no meaning to those that are still in slavery.</span>
(What was happening in the year 1000 in Europe)
Danes control England. Canute takes throne (1016), conquers Norway (1028), dies (1035); kingdom divided among his sons: Harold Harefoot (England), Sweyn (Norway), Hardecanute (Denmark). Macbeth murders Duncan, king of Scotland. Robert Guiscard, Norman invader, establishes kingdom in Italy, conquers Sicily (1072).
(Changes that occurred in Europe)
During the High Middle Ages, which began after 1000, the population of Europe increased greatly as technological and agricultural innovations allowed trade to flourish and the Medieval Warm Period climate change allowed crop yields to increase.