Columbia subject headings:
Harvard subject headings:
Capitalism--United States
Capitalism.
Democracy
Democracy--United States
Free enterprise.
Income distribution.
Populism--United States
Populism.
Regional economic disparities.
Sustainable development.
Twenty-first century--Forecasts
Twenty-first century.
Wealth.
Princeton subject headings:
Capitalism--United States.
Democracy--United States.
Populism--United States.
Regional economic disparities.
Twenty-first century.
Wealth.