Answer:
Okay, so I will answer this again because I do want that brainliest. So it will be Natural Rights, because Republicanism didn't exactly exist, or better put, wasn't really known very well as an ideology.
Popular Sovereignty does not sound like the US, because it even though blacks weren't really seen as actual citizens back then. So that's out of the picture.
Social contract may also seem right, but the citizens still don't have full political power under the constitution.
Therefor, Natural rights is correct, because the US government is actually divided into 3 branches.
Explanation:
"The big ideas of the Enlightenment certainly had a huge impact on our Founding Fathers. The ideas of the social contract, natural laws and natural rights, and separation of powers, are all found in our Founding Documents, like the US Constitution and the Declaration of Independence."
was said here, https://colors-newyork.com/how-did-the-enlightenment-influence-the-us-constitution/#:~:text=How%20did%20the%20Enlightenment%20influence%20the%20US%20Constitution%3F,is%20entirely%20alien.%20What%20ideas%20influenced%20the%20Constitution%3F