Answer: C) Hubert Humphrey; Richard Nixon
Step-by-step explanation: The Presidential Election of 1968 pitted Hubert Humphrey for the Democrats and Richard Nixon for the Republicans. Remember that Democratic President Johnson had decided not to run for reelection. Not long after, the Democratic front-runner Robert Kennedy was assassinated on the campaign trail. Humphrey, a U.S. Senator and candidate himself, ended up winning his party's nomination at the Democratic Party Convention in Chicago, which was marred by violence outside of the convention center.