When you observe a marching band formation that appears to take on the shape of a letter even though the members are not in direct contact with each other, you are experiencing the gestalt grouping principle called closure or <span>continuity or common fate. </span><span>They all denote the perceptual tendency to integrate disconnected pieces into a whole image.</span>
Woodrow Wilson instituted the first federal income tax since the Civil War. On June 28, l919 the Treaty of Versailles was signed, ending World War One. Wilson set out his plan for the implementation of peace in his famous Fourteen Points. An important point was an organization of nations to enforce peace.
