Patriotic
Having or expressing devotion to and vigorous support for one’s country.
Jingoism
Extreme patriotism, especially in the form of aggressive or warlike foreign policy.
Propaganda
Information, especially of a biased or misleading nature, used to promote a political cause or point of view.
Conscription
Compulsory enlistment for state service, typically, into the armed forces.
Nationalist
A person who feels very strongly about their own country over others.
Shell Shock
This term was used to describe the post-traumatic stress faced by many of the soldiers when they returned from the war.