The answer (I believe) is C. Definitely not D, and B. seems unlikely too along with partnerships.
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The Big Stick Diplomacy was implemented by Theodore Roosevelt and was a policy of intervenience in Latin American affairs because in the American view those countries could not keep their affairs in order.
The Dollar Diplomacy adopted by President Taft that promoted the American business interests abroad by replacing military alliances with economic ties, increasing American influences and securing lasting peace.
Both Diplomacies had problems but historians say that Roosevelt’s Big Stick was more successful overall because it resulted in more benefits than failures. The other two diplomacies increased hostility in Latin America and in Asia that eventually influenced the Alliances in WWI.
Four of those inventions were, The hot air balloon, the light bulb, mayonnaise and the piano. (: Hope this helps!
Answer:
A is the answer because it says "the winner of the essay contest by "awarding" her a certificate