Unrestricted submarine warfare, which became prominent in World War I, meant that submarines could sink any time of vessel at any time without warning. Before this, they had to surface first and place crews on lifeboats.
The <span>primary purpose that a citation serves in a work of history is to show where exactly the information is coming from, so that the reading can either confirm the validity of a statement, or continue further research independently. </span><span />
Answer: I believe the answer is D.
Hope this helps!! <3
The answer to the last question is 3. icy. The y ending sounds exactly like the y ending of funny. Good luck.
