Dwight Eisenhower's first political office was that of president he didn't held any political ofccice within the united states before although he was the political-military governor of American zone in occupied Germany
Answer:
A: It is what our government is based upon.
Explanation:
Basically, we can eliminate B since the Constitution is just within the US. C doesn't make sense becuase the Constitution has been amended multiple times, and D does not work becuase the Constitution does not mention political parties.
The answer is A becuase the Constitution outlines the foundation and basis of America including core values & base-level ideologies/laws.