Propaganda is any official government communication specifically designed to
a. influence public opinion
b. keep the public informed during a crisis, such as during wartime
c. notify the people of their rights and obligations as citizens
d. convince people to join the armed forces

The first alternative seems more reasonable (A).

Advertising is an insider's aim to influence people's behavior and consumption. In this context, government advertising is intended to influence public opinion to positively affect the popularity of a government.

Item B does not seem an adequate response, since informing the public about events such as cries and war is part of the news and not the advertisements.

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