 In the North Atlantic or liberal model, Hallin and Mancini, give a description of political parallelism in the United States, British, Irish, and Canadian media systems.According to Hallin and Mancini the United States contains the most unbiased political parallelism compared to the previous four countries.Hallin and Mancini express how press political partisan is virtually absent in the North Atlantic or liberal model, with the exception of Britain which poses strong press parallelism.