The Democrats were the only party that could bring it to a vote because the Democrats killed every Republican- OR Democrat-sponsored civil rights bill. Only a perfect idiot could find this a credit to the Democrats and, perfection being rare, I strongly suspect you are merely a garden variety idiot intentionally if poorly trying to warp history to further your left wing agenda. (If I'm wrong about you and you actually are a perfect idiot, um, congratulations?) These little gems
strongly argue that you are merely a garden variety idiot trying to rewrite history for political benefit. You should be willing to admit that the 1875 Civil Rights Act was a Republican bill struck down by activist Democrat judges and that up until the 1964 CRA, Republicans had proposed, and Democrats blocked or tried to block, every significant civil rights bill. That the Democrats eventually, almost a century later, got around to making illegal the same behavior that Republicans had been fighting against for over a century, does not change that fact. (For the record, Russell, a life-long staunch Democrat, was the leader of the filibuster as all contemporary reportage makes abundantly clear, Thurmon was merely one of the gang, notable only for being the ONLY filibustering Democrat to later switch to the Republican party. A larger majority of Republicans voted for it than did Democrats. And the Republicans did not think the 14th Amendment was sufficient protection, the Democrat judges striking down the Republican 1875 Civil Rights Act did so under grounds that the federal government did not have the power under the 14th Amendment to give itself such powers. Only an idiot takes the position that one party is always right and the other party is always and then tries to warp reality to fit that view.)
The compromise on which the swing vote Republicans insisted was basically that the federal government not sue on behalf of any individual who had not first used his state remedies, nor deny nor remove government contracts from any company with claims of discrimination. Since states with non-discrimination laws were overwhelmingly Northern, this protected businesses in Republican areas and penalized businesses in Democrat areas, particularly those businesses in violation of the new law but potentially any business with an aggrieved black employee. It had nothing to do with public accommodation and made no significant changes, which is why Democrats at the time crowed that Republicans had been tricked. They were not tricked; Republicans got most of what they wanted - again, a revival of the Republican Civil Rights Act of 1875 couched in interstate commerce clothing - plus a competitive advantage for their states' businesses.