The Azuchi-Momoyama period marked a pivotal transition in Japanese history. Oda Nobunaga and Toyotomi Hideyoshi led efforts to unify Japan, ending the chaotic Sengoku era and paving the way for centralized rule. This era saw significant political, cultural, and economic changes. The introduction of European firearms revolutionized warfare, while the tea ceremony reached new heights of refinement. Castle towns grew, fostering commerce and urban culture.