It's changed a lot over time during the reign o each presidents
It would be the "GI Generation" that refers to the post–World War I, pre–Great Depression generation, since these people came of age during periods of great turmoil and were "GIs" during World War I.
Yalta is the answer to the question
Un conflicto interno es la lucha que ocurre dentro de la mente de un personaje. Cosas como las vistas de los personajes, pero no pueden llegar del todo.