Which statement represents a common political slogan that simplifies complex issues?

The statement "A vote for the Republican candidate is a vote for America" exemplifies a political slogan that reduces a complex political situation to a simple assertion. This statement suggests a direct and unquestionable connection between support for a particular candidate and patriotism or national identity. By framing the act of voting for this candidate as synonymous with supporting America itself, it simplifies the multifaceted issues surrounding political choices and social policies into a binary decision. This type of slogan is effective in rallying support but lacks nuance, as it does not address the diverse viewpoints or the complexities inherent in political situations.

Other choices may address significant issues or promote an idea, but they do not share the same level of simplification or direct emotional appeal. For instance, some indicate problems that require more detailed understanding or do not imply an absolute action related to identity and loyalty in the way that the chosen statement does. Therefore, option A stands out as a clear and strong example of a common political slogan.