| A | B |
|---|
| multiethnic | having many ethnic groups living |
| Hausa-Fulani | Nigeria's largest ethnic group |
| Yoruba | Nigeria's second-largest ethnic group |
| Igbo | Nigeria's third-largest ethnic group |
| Kwame Nkrumah | founder of Ghana's independence movement and Ghana's first president |
| sovereignty | political control |
| coup d'etat | the sudden overthrow of a government by force |
| desertification | the process by which fertile land becomes too dry or damaged to support life |
| overgrazing | allowing too much grazing by large herds of animals |
