United_States | ethnicGroup | African_Americans United_States | leaderTitle | President_of_the_United_States English_language | spokenIn | Great_Britain United_States | language | English_language A_Wizard_of_Mars | country | United_States
A Wizard of Mars originates from the United States where English is spoken (as in Great Britain), and the leader is called the President. African Americans are one of the ethnic groups of the United States, where the capital city is Washington D.C.