B is the answer to the question
I think it’s both ice cores and tree rings
A i believe. This is because it does not always go for popular vote and is always taking away power from states just cause of their population.
<span>Open Door Policy (1899/1900) is declaration of principles introduced by the United States (1899, 1900) for the defense of equal freedoms amid nation’s transaction with China and in provision of Chinese regional and directorial honesty. So the answer is E. </span>
