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 is an executive order issued to the executive agencies of the United States by President Abraham Lincoln on January 1, 1863, during the American â¦ Civil War.o, in actual effect, the Emancipation Proclamation freed exactly zero slaves. Though as the North conquered more territory in the South, slavery immediately became illegal in the new States and Counties conquered. But it was the Union Army, not the Emancipation Proclamation, that conquered those States and Counties.