Explanation:
According to the Declaration of Independence, the government gets its power to govern from the people that it governs. As the Declaration says, Governments are instituted among Men, deriving their just powers from the consent of the governed. This was an idea that derived from Enlightenment thinkers such as John Locke.
The main reason why southern whites felt threatened by the Missouri Compromise is because it divided the United States into "free" and "slave" states, which threatened to end the institution of slavery in the South.
The answer is military and secret police
If you could please include a little more about the question, you could get a more reliable answer.
