It refers to a period of relative peace and stability after World War II, especially in the Western world, under American influence or domination. It is derived from “Pax Romana” and refers to the state of international order and stability maintained by the United States.

• Rovira Kaltwasser, C. (2016). “Pax Americana”: The United States and the transformation of the 20th century’s global order. Foro Internacional, 56(4), 701–728.
• Ponniah, T. (2016). The Principles of Pax Americana. Academia.edu.