On 7th May 1915, the passenger liner Lusitania, was torpedoed by a German submarine. Nearly 1200 civilians lost their lives. The most notable sea battle of World War One was the Battle of Jutland between Germany and Britain, which ended inconclusively.
the great depression happened...the us economy took a major plunge downwards
Answer: Very dangerous, does that count?
D: To avoid paying interest on savings bonds. Issuing bonds, entail the obligation to return them in the future, together with the corresponding interest payment.