1. David Livingston was the missionary and the researcher.2. Its purposes were to preach Christian religion and to find river Neil sources.3. He also tried to put an end to trade in slaves.4. In 1841 it went to South Africa.5. To Africa he spent 13 years.6. He returned to Great Britain as the national hero, but in a year went to Africa to look for river Neil sources again.7. He was ill two years and was on the brink of disaster.8. The members of expedition who lost courage and abandoned Livingston declared that he died.9. Livingston didn't know that the whole world looks for it long ago.10. The members of expedition who lost courage and abandoned Livingston declared that he died.