Which of these government campaign slogans was actually used by the U.S. federal government for a major public initiative?

Political campaigns are marketing masterpieces, with slogans that can define an era. Government agencies also use branding strategies similar to retail corporations to promote initiatives and build public trust. This trivia tests your knowledge of famous government campaign slogans that shaped public perception and policy adoption across different administrations and agencies. Can you identify which slogan was actually used by government entities to promote their initiatives?

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"Only You Can Prevent Forest Fires" (U.S. Forest Service)
"Think Different" (Department of Education's 2010 Innovation Initiative)
"Just Say Yes" (Medicare Enrollment Campaign)
"Democracy: Be In It To Win It" (Voter Registration Drive)