In 1914, 1915, and 1916, one of the best investments deals Americans were encouraged, by brokers, to buy into was German Imperial War Bonds.
All that “went South” in 1917.
There are investments, and then there are investments. Lay not up for yourselves treasures upon earth, where moth and rust doth corrupt, and where thieves break through and steal: But lay up for yourselves treasures in heaven, where neither moth nor rust doth corrupt, and where thieves do not break through nor steal: For where your treasure is, there will your heart be also.
Matthew, Catholic chapter six, Protestant verses nineteen to twenty one,
as authorized, but not authored, by King James