2. describe how rulers unite nations. as you write, think about these questions and answer them in your description. (a) which large areas were united under one ruler? give at least three examples. (b) which rulers of dynasties, governments, kings, or emperors united large areas under one rule? give at least three examples. (c) what are some strategies or practices rulers have used to unify diverse people in their empires under one rule? cite at least three strategies or practices and mention some rulers or governments that used each of those strategies.

20 points “the creation of a mosaic was a complicated procedure that called for careful timing and teamwork. . walls were painted with resin or tar before being covered with the first of three layers of plaster. . a sketch of the projected work was then made on the plaster to serve as a guide for the various artisans. the outermost layer of plaster, in which the pieces, or tesserae, of the mosaic would be set, was spread on only enough area to contain a day’s work. some of the tesserae—small, carefully cut fragments of colored glass, marble, and semiprecious stones—were pressed into the wet plaster so that they projected at a slight angle. the stones thereby better reflected light and imbued the finished mosaic with a shimmering life of its own.” —empires besieged: time frame a. d. 200–600 how many layers of materials were under the tiles? a. two- c. four- b. three- d. five