Jingoism n. : The policy of the Jingoes, so called. See Jingo, 2.

Example:
What do the Republicans have to offer America besides fear and Jingoism?

Taxonomy
Jingoism, attitude, free encyclopedia, Jingo, foreign policy, song, fight, Oxford University Press, political cartoon, Nationalism, in Britain, chorus, got the money, jingoistic, Prime Minister, character, novel, United States.

Defination from the web:
Jingoism" did not enter the U.S. vernacular until near the turn of the 20th century. ... Referring to the song, the specific term "jingoism" was coined as a political label by the prominent British radical George Holyoake in a letter ...