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.
Background. The Emancipation Proclamation is the document that Lincoln felt would cement his name in history. It stated that all enslaved people within the states in rebellion were free.ackground. The Emancipation Proclamation is the document that Lincoln felt would cement his name in history. It stated that all enslaved people within the states in rebellion were free.