Listen to the following talk and fill in the following blanks with information from the talk. Abraham Lincoln and Charles Darwin, the two (1) _______ people in the 19th century, were (2) _______ on the same day. Both of them changed the (3) _______ ways that people viewed human existence and ushered in a new (4) _______ in the history of human (5) _______. Lincoln is beloved for (6) _______ freedom for the South's slaves, but was (7) _______ in his own time. Darwin is famous for his theory that living things evolve in a (8) _______ called natural selection. Then he was attacked by people who saw (9) _______ as a challenge to the Bible. The (10) _______ set off by those men have a great impact today.