Treaty of Kanagawa: A treaty signed between the United States and Japan in 1854, following Perry's arrival. It allowed American ships to access Japanese ports for trade purposes.
Meiji Restoration: A period during which Japan underwent major political and social reforms after realizing its vulnerability due to encounters with Western powers.
Imperialism: The policy or practice of extending a country's power and influence through diplomacy or military force. In this context, it refers to Western nations' efforts to gain control over other countries or regions, including Japan.