United_States | language | English_language United_States | leaderTitle | President_of_the_United_States 250_Delaware_Avenue | location | United_States United_States | leader | Barack_Obama United_States | ethnicGroup | White_Americans
The leader of the United States of America (where English is the primary language) is President Barack Obama. One United States ethnic group is White Americans . Additionally 250 Delaware Avenue is located in the USA.