What 3 slogans used by the government to try to get people to conserve?

What law makes it a crime to help the enemy during war?

What law makes it a crime to criticize the government during wartime?

I don't know how many of these are government slogans.

http://www.thinkslogans.com/slogans/environmental-slogans/

http://legal-dictionary.thefreedictionary.com/treason

What law makes it a crime to criticize the government during wartime?
NONE! Americans are free to criticize the government any time.