What is world war 1???
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Explanation:

More Interesting Facts about WW1

An explosion on the battlefield in France was heard in England.  

WW1 journalists risked their lives to report on the war.  

12 million letters were delivered to the frontline every week.  

Plastic surgery was invented because of WW1.  

The youngest British soldier in WW1 was just 12 years old.

World War I was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918.

Explanation: World War I, also known as the Great War, began in 1914 after the assassination of Archduke Franz Ferdinand of Austria. By the time the war was over and the Allied Powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

demand is the need and oportunity to buy a given good or service.

one central belief of buddhism is often referred to as reincarnation -- the concept that people are reborn after dying. buddhism is a philosophy of life expounded by gautama buddha ("buddha" means "enlightened one"), who lived and taught in northern india in the 6th century b.c.