There were many focuses of the Regean Administration. First to see an end to the Cold War. Referencing the end of Communisim and tearing down the Berlin Wall. Secondly, a budding new approach to managing our economy called "Regeanomics" This is supply sided economics.
The northerners accepted it because California wanted to be a free state in the union and the southerners rejected it because then it wouldn't be an even number on both sides.