Answer is B U-Boat activity
The answer is A, Christianity spread through the works of missionaries.
Answer:
C. the sinking of the USS Maine
Explanation:
The reasons for war were many, but there were two immediate ones: America's support the ongoing struggle by Cubans and Filipinos against Spanish rule, and the mysterious explosion of the battleship U.S.S. Maine in Havana Harbor.
The answer is northwest order once hope it helps
