The principle of popular sovereignty is demonstrated by the fact that members of Congress vote for laws that the majority of Americans support.
When the people of any country have got the supreme powerfulness, this is referred to as the sovereignty of the people.
The principle of popular sovereignty is the idea that the people have the right to choose their government. When voting in elections, they also have the power to overthrow or alter the current government.
Therefore, the sovereignty is evidenced by the fact that Congressmen support laws that the majority of Americans agree with.
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