An Era is usually defined as a major subdivision of geological Eon. It represents a period of long time, in terms of millions of years. There are 3 Eras of the Phanerozoic eon, according to the geological time scale, they are the Paleozoic, the Mesozoic and the Cenozoic. All these 3 Eras are comprised of many sequential arrangement of major and minor events soon after the formation of earth.
This sequential arrangement of events shows the progressive evolution from the unicellular organisms to the multi-cellular and more complex organisms. These eras are comprised of various fossils and fossil assemblages, which are explored in the recent times. The study of these fossils helped in the understanding and evolutionary pattern of how life evolved on earth.
modern liberalism in the US is the dominant version of liberalism in the US. It combines ideas of civil liberty and equality with support for social justice and a mixed economy according to lan Adams, all American parties are liberal and always have been.
The western church and the eastern church differed in : A. beliefs unlike the western, The eastern church evolved into a more orthodox style catholic churches
