In the context of U.S. history, which presidential race is notably recognized for its dramatic impact on the course of American political evolution during the 20th century?
A) The 1800 presidential race between Thomas Jefferson and John Adams.
B) The 1860 presidential race between Abraham Lincoln and Stephen A. Douglas.
C) The 1960 presidential race between John F. Kennedy and Richard Nixon.
D) The 1980 presidential race between Jimmy Carter and Ronald Reagan.