A & C are SOME of the possible answers.
I may be wrong, but I do believe this may have to do with Andrew Jackson's election, and the voting requirements changed because you no longer had to own property or be wealthy to vote. The common, free white man could vote.
So basically bud they declared war because Germany had sunk the Lusitania and was therefore trying to abandon the policy against unrestricted submarine warfare
Answer:
D. Unang Sigaw Sa Pugad Lawin
The unforseen attack on Pearl Harbor...(which led to WWII)