Assuming this is about the triple alliance that was created prior to the First World War, then it would be the Central Powers which would be Italy, Germany, and Austria. Not sure what ya put there.
According to Oyez, "The Sixth Amendment's guarantee of a right to assistance of counsel applies to criminal defendants in state court by way of the Fourteenth Amendment."
So, this is a major victory as it protects criminal defendants in a whole new court of law.
In my view the period that has had the biggest impact on the development of US society is The Great Depression. That depression brought a huge economic growth but also changed mass culture that swept many Americans into consumer society.
Loyalty review board- investigates members of the US gov. HUAC- investigates commuism in films.
