Detailed Instructions: Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.
Q: From which continent are native tribes and ethnic groups called the Hausa, Yoruba, Igbo, Amhara, Somali, Fula, Shona, Zulu, Hutu, Maasai, Tutsi and Nubians?
A:
africa