The correct term for a group of grapes is known as a bunch or cluster of grapes. A group of grapes or a fruit cluster is sometimes called a Truss. Arba Ratna.
First used during World War I, this type of warfare was highly controversial and deemed a breach of the rules of war. Resumption of unrestricted submarine warfare by Germany in early 1917 was a key reason the United States entered the conflict.
When Nazi Germany moved toward Poland, Great Britain and France countered further aggression by guaranteeing Polish security. Nevertheless, Germany invaded Poland on September 1, 1939, and Great Britain and France declared war on Germany. Six years of Nazi Party foreign policy had ignited World War II.