During world war 1, The Great Britain was known as the best naval army in the world. Germany know that they cannot face the British naval army on the surface, so they invested in more submarines to help them sustain the attack from sea.
Germany use the submarines mainly to destroy ships that deliver supplies for allied countries in order to weakened them. Even though eventually Germany still lost, without submarine the allied forces would destroyed them even faster.
Answer:
I think it's C or D I can't really decide sorry
Explanation:
A-scandal regarding his marriage.
The marriage of Andrew Jackson and his wife Rachel was criticized during the campaign because she had been married before. Due to divorce laws not being fair to women or even allowed in most cases, Rachel was still married to her first husband. She was shamed through the election and died a month after the election of her husband. Andrew believed the other party was responsible for her death and held a grudge through his presidency.