what would most likely happen if the Federal Communications Commission lifted all restrictions on the use of obscenities over radio and television stations. Congress would override the decision and reimpose restrictions on obscenity.
I'm going out on a limb here and figuring that you're talking about a specific poster that rings a bell. Basically, it portrays the Germans as evil people, and inspires young British men to enlist in the army to fight them.
The Helsinki Accords was an agreement that was signed at the end of the Conference on Security and Cooperation in Europe which 35 European plus the US and Canada signed. The main purpose of the Declaration was to reduce tension between East and West, reducing Cold War tensions.