Somehow I mixed up FDR and Eisenhower. Regardless, building the interstate system was a liberal proposal.
The Civil Rights Act was opposed by the Democrats of the time who would now definitely be Republicans. Surely you're aware that the political parties flipped ends of the spectrum.
Social Security has helped countless widows, orphans and elderly people to survive. Of course that goes wholly against everything the Republican party stands for, so its no surprise you're opposed to it. And the idea that democrats have single-handedly been running it is absurd.
Ending slavery was also clearly a liberal idea. And it was about time that some evangelicals stepped up to help end it, considering they had been using their bibles to justify it for so long.