I don’t know if I believe in “social contracts” but what values should we all have regardless of party: Freedom of religion, freedom of speech, freedom of the press, freedom to assemble, right to petition the government, the right to bear arms, right to a fair trial, tried by a jury of your peers, federalism - the distinction of powers among the states and those specific for the federal government. Separation of powers between the three branches of government. The biggest threat? Factionalism or by another name tribalism.