Richard Nixon ran against Lyndon Johnson in the 1968 Presidential Election.

a. true

b. false

This is false!

It is true that Richard Nixon ran in the 1968 election, but it's not true that Lyndon Johnson did.

Lyndon Johnson run for the president in 1960, when he lost and then again in 1964. At that time he already was the acting president because he succeeded Kennedy after his assassination