Which is one duty of U.S. citizens?

A. To vote in elections
B. To create institutions
C. To run a business
E. To run for office

A. To vote in elections

One duty of U.S. citizens is A. To vote in elections.

The correct answer is A. To vote in elections. As a U.S. citizen, it is your duty and privilege to participate in the democratic process by exercising your right to vote. Voting in elections allows citizens to have a say in choosing their representatives and shaping the policies and direction of the government.

If you want to understand the answer, you can refer to official U.S. government resources such as the United States Citizenship and Immigration Services (USCIS) website or the U.S. government's official portal, usa.gov. These sources provide comprehensive information about the rights and responsibilities of U.S. citizens, including their duty to vote in elections. Additionally, you can consult reliable civics textbooks, encyclopedias, or online platforms that offer information on citizenship and civic responsibilities.