Must be 300 words.Describe the history and purpose of the Diagnostic and Statist

Must be 300 words.Describe the history and purpose of the Diagnostic and Statistical Manual (DSM). Discuss some differences between the newest version (DSM 5) and past versions.Regarding the DSM-5 you may want to refer to some of these sources for information: http://www.psychiatry.org/dsm5http://www.dsm5.org/Documents/changes%20from%20dsm-iv-tr%20to%20dsm-5.pdfhttp://dsmfacts.org/www.cnn.com/2013/05/21/health/dsm-changes/index.html?hpt=he_c2www.psmag.com/health/dsm-5-the-end-of-one-size-fits-all-treatment-57193/http://www.adaa.org/understanding-anxiety/DSM-5-changes * Remember to cite and reference all sources in accordance with APA guidelines. Here is the text we are using as well..Plante T. G. (2010).Contemporary Clinical Psychology; Hoboken: John Wiley & Sons.