WW1 had set the stage for WW1 during the 20th century due to imperialist nations who competed and developed alliances, militarism, imperialism, and nationalism. These techniques were often used to gain power and territory, but the clash between major players developed wars. For example, Germany developed a militaristic sense after its shortage of power due to WW1 and the worldwide economic decline. The German people had no choice but to let Hitler "save" them, after observing the poor conditions the country was in. Alliances caused a chain reaction and caused rivalries, leading to the second world war.
The McCarthy Era was a dark period in the history of the country as the fear of communism led to the disregard of the fundamental rights of the citizens. It was a dark period as people were curtailed from speaking against the government and those that dared suffered various consequences such as imprisonment and loss of employment. A lesson from this dark period is on the need to protect the rights of citizens despite the circumstances
