The correct answer is C.
The mayflower compact was significant because it was the first governing document of plymouth colony. It signified an agreement to form a crude and to submit the will of the majority under the regulations agreed upon.
The Constitution and the Mayflower Compact were formed on the same bases. Bases of equality and the fact that everyone was created equal. It also states back to the Constitution that we all have unalienable rights, "Life, Liberty and the Pursuit of Happiness".