It is an ongoing embarrassment that __________ make up a mere 1 percent of the U.S. population and ...

It is an ongoing embarrassment that __________ make up a mere 1 percent of the U.S. population and that, despite the casinos, one-third of them live on incomes below the poverty line.
 
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Question -2-

When social and economic differences bolster one other, making political conflict more intense and polarizing the society, social scientists call them __________.
 
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Question -3-

Intolerance is frowned upon in American political culture, but that did not stop the governor of Missouri in 1838 from signing an extermination order that made it legal to kill __________.
 
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Question -4-

__________ refers to the movement of white people away from central cities so that their children can avoid being bused for racial balance and attend generally better schools.
 
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