What is the most important fundamental principles of our government?

Our United States Constitution is based on certain basic concepts that include three primary principles: inherent rights, government by the people, and separation of powers. Self-government is the most important principle in the U.S. Constitution. Hope this helps! :)

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.