The u. s. supreme court in 2003 considered policies in michigan that were based on racial preference.

global and free trade

i would say it is a and b.

hope this

urban people were mostly involved in jobs that required phyisical labor they are paid daily wages (minimum wages) from which they evoke their living. daily wages also mean that the day they don't turn up for work ,even due to sickness, they aren't paid anything.