The founder who included the idea of natural rights in the Declaration of Independence was Thomas Jefferson.
Due to Jefferson's interest in enlightenment, he was greatly influenced by the following belief; from his perspective by discovering "The laws of Nature" humanity could be improved. That's why he considered it was really important to use the idea of natural rights in order to justify Americans' desire for independence from England.
The former Confederates had to swear an oath of allegiance after the Civil War. It promoted by Radical Republicans to prevent the political activity of Confederate veterans and supporters in the South. A confederate person had to swear to support and defend the Constitution of the United States.
