Information About U.S. Democrats
Just like the Republican Party says that the USA in not a nation under God, but has believers in God, the Democratic Party says that the USA is a nation under God, but has atheists. So just as some Republican believers apply the teachings of particular religions to politics, some Democratic atheists reject particular religious teachings. Accordingly, the division of Republicans and Democrats is caused by the theory of God, which was developed by the founders, and was rejected by the Republicans.
The Democrats follow President Lincoln, President Roosevelt, President Kennedy, President Clinton, and President Obama. A major difference between the Republicans and Democrats after WWII is caused by different economic theories. The Republicans favor a trickle-down through the top wealthy citizens and banks whereas the Democrats favor a trickle-up through labor.
On brain research, Democrats say that criminals can be corrected. So, the Democrats do not equate mind to brain, as Republicans do.
As seen, the Democrats and Republicans have become very different after the assassination of Abe Lincoln.