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.
The calculators that we use today are the advanced versions of a device that, when invented, was in its primitive form and was called the adding machine. Abacus. THE abacus wasnât a machine but a tool used for counting that was invented before 2000BC. Considered the basis on which the modern calculator has taken its shape, an abacus consisted of small ball-shaped beads that slid on sticks and the sticks were attached to a rectangular frame.