Final answer:
Americans exercise popular sovereignty through various means such as serving on juries, voting for representatives, participating in referendums, and engaging in other forms of civic participation.
Step-by-step explanation:
Americans exercise popular sovereignty through various means such as serving on juries, voting for representatives, participating in referendums, and engaging in other forms of civic participation. For example, Americans can serve on juries to ensure fair trials and uphold the principles of justice. They can also vote for representatives who make political decisions and pass laws on their behalf, allowing citizens to have a say in the governance of their country.