Critique of Argument Describing a society as ‘Multicultural’

I need to critique someone eases essay and attack their reasons with common fallacies ( i will upload the file also for the list of common fallacies we can use) the essay is 3 paragraphs 1. Transition which is 2-3 lines : it is basiccly me saying the argument that describing a society as Multicultural" is usually incorporate i support it but then some people believe that describing a society as multicultural is accurate.( something like that but both thesis s should be there ) 2. People who believe (other sides thesis) claim (reason #1) and then attack and support attacks with sources( SAME THING FOR PARAGRAPH 3) The reasons are 3 , pick the best 2 to attack and give sources to support 1.immigration plays a hige rold in todays world. 2.Influence of globalization colonialism left traces in today’s world which formed multiculturalism.