Saying things against the war, or carrying signs stating things against the war.
He practiced civil disobedience by not paying taxes to protest the war.
Self-important whining dressed as social protest.
A peaceful protest is simply a demonstration of a belief without violence. Picketing is one of the most common, as is a petition.
to save them for later
The draft
To protest the war
A protest about bread Famine and war
See website: Anti-war
Because they are against war.
It was painted as a response to the horrors of war (war protest).
Lowered morale.
A protest sign suffices.