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.
The Emancipation Proclamation denounced slavery, and used the emancipation of slaves as the point of contention to bring the Civil War to an end. President Abraham Lincoln, issued executive orders to control rebellious southern states, and to bring them back into the Union.braham Lincoln, the 16th President of the United States, is remembered for the role he played in the emancipation of slaves. Lincoln issued the Emancipation Proclamation on September 22, 1862. According to the proclamation,