David Livingstone was a Scottish missionary, explorer, and anti-slavery advocate. He embarked upon several missions into Africa, venturing farther into the interior than previous European explorers. While trying to find the source of the Nile River, he became ill in what is now northern Zambia. After his death in 1873, Livingstone’s heart was removed and buried in the African soi
Answer:
economy
Explanation:
plz dont get mad if this is wrong
One step was that Abraham Lincoln signed the Emancipation Proclamation, making slavery illegal in the United States.
