First in brief describe what primarily differentiates Renaissance art in general from the prior medieval period. Then, trace the evolution and development of art via the periods of the Early Renaissance to the High Renaissance. Compare and contrast the work of the Italian Renaissance artist with a work done by a northern European Renaissance artist. Comprise a discussion of the various concerns and heritages of the Italian and Northern Renaissance artists and how these resulted in various features in the art work of each region. Please use specific illustrations of art in your response.