3. B, 4. C, 5. A, 7. B, 8. B, hope this helps! :-)
The option from the constitution that best illustrates the concept of popular sovereignty is: Elections are held to determine who serves in congress.
<h3>What is the idea of popular sovereignty?</h3>
This is the idea that the governmmet that is created in a democracy is subject to the will of the people of the nation.
From this, it tells us that the people are the ones that have to choose who they want to serve in government.
Read more on popular sovereignty here: brainly.com/question/1091566
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