1. In March 1920 the US Senate finally killed the treaty. The United States did not ratify the Treaty of Versailles and we did not join the League of Nations. Wilson considered this a great failure and it plagued him until his death. Disgust was deepening.
Part of the Peripherals glossary: An abacus is a manual aid to calculating that consists of beads or disks that can be moved up and down on a series of sticks or strings within a usually wooden frame. The abacus itself doesn't calculate; it's simply a device for helping a human being to calculate by remembering what has been counted. The modern Chinese abacus, which is still widely used in China and other countries, dates from about 1200 A.D.
1 Ancient Abacus: The First Computer An abacus, sometimes called a counting frame, is an ancient calculation tool.2  It consists on a bamboo or wood frame that hold several rods, in which balls or beads can slide â¦. The Abacus Defined and Other Calculating Tools The word abacus derives from the Greek abax, and is defined in English as a manual counting tool made from a wooden frame strung together with wooden rods and movable countâ¦.