He was willing to ruin his chances to win the election just so he could make a difference in America. You can see more about this in Ignoring Southern Reaction. He stated ‘If that's the price I have to pay, I'll pay it gladly.” He was putting his point out there that he didn't care if he lost the election. As long as he knew that everything would be fine and segregation was over. This is another reason that shows that LBJ did this because he believed in his heart it was truly right.
The final reason he switched beliefs was because he was finally able to speak on his behalf. In Document Change of Heart it states that he said “ You will recognize the words i am about to repeat, Free at last, thank god almighty, I am free at last.” Johnson was expressing how he was free to believe in what he wanted . He had all the right to go against segregation and go for integration. LBJ now openly discussed how he was going to change America if he won the election.
LBJ changed his beliefs because he knew it was the right thing to do. He ended up winning the election with all states except six! When he was in office, he created a program called the Great Society Program, it made sure that everything was fair for everyone. America changed for the better we were doing fine until World War II. He was the big change that the Civil Rights needed to be announced and