a gesture of defiance, disrespect, or derision. Idioms. 2. cock a / one's snook, to thumb the nose: a painter who cocks a snook at traditional techniques.
Effect on the Civil War. The importance of the Emancipation Proclamation is that it altered the cause and reasons for the Civil War. At the onset, it was about the Unionâs attempt to bring the Confederates back into the fold. With the proclamation, things changed.
It also laid the foundation for the 13th Amendment, which abolished slavery nationwide when it was ratified in 1865. âItâs a very important piece of our history as Americans, Jennifer Johnson, curator of the Emancipation Proclamation at the National Archives, told the Kids Press Corps.