Answer:
Yes, submarines were used in WW1
Explanation: Submarines were first widely used during World War I (1914–1918), and are now used in many navies large and small.
answer:
i believe you are correct.
explanation:
a personality disorder is when you have a rigid and unhealthy pattern of thinking while a mood disorder is like depression or bipolar disorder. impulse control disorder is when you have trouble controlling feelings and behaviors and anxiety disorder is excessive worry or fear over a certain thing.
