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.
Best Answer: The Emancipation Proclamation was a military measure proclaimed by Lincoln acting as commander in chief of the armed forces.It freed the slaves in those parts of the south which continued the war as of Jan 1, 1863.est Answer: The Emancipation Proclamation was a military measure proclaimed by Lincoln acting as commander in chief of the armed forces.