The South Carolinian secession declaration of December 1860 also channeled some elements from the U.S. Declaration of Independence from July 1776. However, the South Carolinian version omitted the phrases that "all men are created equal", "that they are endowed by their Creator with certain unalienable Rights", and mentions of the "consent of the governed". Professor and historian Harry V. Jaffa noted these omissions as significant in his 2000 book, "A New Birth of Freedom: Abraham Lincoln and the Coming of the Civil War":