Answer :

War bonds were made available to both retail and wholesale investors during World War I (WW1) with the aim of obtaining enough money to pay the governments' increasing military expenses.

World War I, often known as the First World War, was a global struggle that lasted from 1914 to 1918 and is regarded as one of the bloodiest wars in history. It is sometimes shortened as WWI or WW1, and some Anglophone authors also refer to it as the "Great War" or the "War to End All Wars." The fundamental cause of the Great War's outbreak was the murder of Austrian Archduke Franz Ferdinand on June 28, 1914. (World War I).

The shooting deaths of Archduke Franz Ferdinand and his wife Sophie by Serbian nationalist Gavrilo Princip on June 28, 1914, in Sarajevo, Bosnia, served as the catalyst for the start of World War I.

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