How does Davis's statement reveal his belief that the Confederacy truly embodies the founding principles of the United States?

The correct answer to this open question is the following.

Although the question is incomplete because the statement is not provided, we can say that Jefferson Davis believed that the Confederacy truly embodied the founding principles of the United States, in that he thought that white people were the ones who belonged to the United States and deserved the rights and liberties stated in the US Constitution.

Jefferson Davis resigned as Senator from Mississippi and was elected President of the Confederate States in 1861. In 1865, he was captured and sent to prison accused of treason.

the correct answer is:   the domino theory states that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.