ALV_X-1 | countryOrigin | United_States United_States | ethnicGroup | African_Americans United_States | demonym | Americans United_States | capital | Washington,_D.C. United_States | anthem | The_Star-Spangled_Banner
ALV X-1 originated in the United States, where the people are called Americans and the capital is Washington, D.C. The national anthem of the United States is the Star Spangled Banner and African Americans are among the ethnic groups.