1st of all tell me which stratification u r talkng abt?? whether social stratification, stratifiactn in botany or  stratificatn in maths

in maths stratificatn refers to any consistent assignment of numbers to predicate symbols. in biology it refers to the process where seeds are treated to simulate winter conditions so that germination may occur in social science it refers to the dividing of a society into levels based on power or socioeconomic status in earth scnce it refers to the layering of rocks
1. Economic. 2. Social. 3. Political. 4. Ideological. Source(s) 
upper class,lower class,middle class