A result of humans' increased dependence on the land and fears of scarcity—to a decline in nutrition and a rise in infectious diseases
The first United States government was called the Articles of Confederation. Hope this helped :)
~ShadowTheFluffyPanda
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.