It is called a mosaic no matter the topic.
war
The mosaics of Ur were found in the royal tombs at Ur in ancient Mesopatamia. one mosaic dipicted a war setting, the other a time of peace.
The eternal war of for-neverThe simple term is Peace.
The First Continental Congress originally called for peace. When peace was not possible a declaration of war was issued and a declaration of independence.
Because the peace didn't last.
The White Ribbon
Peace Democrats but there enemies called them copperheads
R. Barnet
There was no Paris Peace Settlement at the end of World War 2. There was the Treaty of Versailles at the end of World War 2. At the end of the Vietnam War for the US and France there was a peace settlement in France but that was called "The Paris Peace Talks".
They were referred to as Copperheads.
copperheads
Northerners who were sympathetic to the South during the American Civil War were sometimes called "Copperheads" or "Peace Democrats." They opposed the war and supported a negotiated peace settlement with the Confederacy.