Columbia subject headings:
Obama, Barack--Influence.
Political culture--Germany--History--21st century--Congresses.
Political culture--United States--History--21st century--Congresses.
Political leadership--United States--History--21st century--Congresses.
Race--Political aspects--United States--History--21st century--Congresses.
United States--Politics and government--2009-2017--Congresses.
Harvard subject headings:
Feminism--United States--History--Congresses.
Obama, Barack--Congresses.
Obama, Barack--Influence.
Political culture--Germany--History--21st century--Congresses.
Political culture--United States--History--21st century--Congresses.
Political leadership--United States--History--21st century--Congresses.
Race--Political aspects--United States--History--21st century--Congresses.
Racism--United States--History--Congresses.
United States--Politics and government--2009-2017--Congresses.
Princeton subject headings:
Obama, Barack--Influence.
Political culture--Germany--History--21st century--Congresses.
Political culture--United States--History--21st century--Congresses.
Political leadership--United States--History--21st century--Congresses.
Race--Political aspects--United States--History--21st century--Congresses.
United States--Politics and government--2009---Congresses.