Answer:
When in the course of human events, it becomes necessary for one people to dissolve the political bands which have connected them with another, and to assume among the powers of the earth, the separate and equal station to which the Laws of Nature and of Nature's God entitle them, a decent respect to the opinions of mankind requires that they should declare the causes which impel them to the separation.
On August 8th, 1846, a congressman by the name of David Wilmot brought up the Wilmot Proviso. It was signed just after the war started
This expression is by far mostly likely ascociated with President Lincoln during the Civil War. He famously did not want to punish the southern states in order to headl quickly.
The Steamboat, called the north river steamboat of clermonts
