You can search up all the American Documents, research on it and you'll get your final answer as B.
President Theodore Roosevelt's Big Stick policy differs from Dollar Diplomacy and Moral Diplomacy because it emphasized US military strength.
C. Some Texans in support of the union attempt to avoid the draft by moving to Mexico .
Well, after the ending of American Civil War it mean that a lot of cotton exports from America were available once more. There was also a competition in the global market, to supply cotton and that's why it helped keep down the price after 1865