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.
The Federal Reserve System formally committed to maintaining a low interest rate peg on government bonds in 1942 after the United States entered World War II. It did so at the request of the Treasury to allow the federal government to engage in cheaper debt financing of the war.