In fact, the history of progress of mankind is a history of informed dissent; much of creative activity of high quality in all areas of human endeavour at any given time has been a reflection of such dissent.
In a democracy, non-governmental organisations provide a platform to civil society to dissent in an informed and reasoned manner. They provide a mechanism for the ruled to keep a check on the rulers.
A is correct. The Battle of Gettysburg was a turning point in the Civil War. It wasn't the least destructive battle. Instead, it was one of the most bloody. It also was not the first or last battle of the Civil War.
