Nothing is easier than to denounce the evildoer; nothing is more difficult than to understand him.
The shepherd drives the wolf from the sheep's throat, for which the sheep thanks the shepherd as his liberator, while the wolf denounces him for the same act as the destroyer of liberty.
The people can always be brought to the bidding of their leaders. All you have to do is tell them that they are in danger of being attacked and denounce the pacifists for lack of patriotism and exposing the country to danger.