Final answer:
Approximately 10 million soldiers were killed during World War I, with significant losses occurring during battles such as Verdun and the Somme. Civilian casualties were also extensive but are not included in this figure.
Step-by-step explanation:
(c) 10 million. The casualties from the war were substantial, impacting soldiers and civilians alike. Some of the deadliest battles include the Battle of Verdun and the Battle of the Somme, which saw a combined total of nearly one million casualties. The war left a devastating impact with approximately 8.5 million to 10 million military deaths, and a similar number of civilian casualties. It is crucial to remember that these figures exclude the victims of the subsequent influenza pandemic, which claimed even more lives.
In World War I, between 16 and 19 million soldiers died. Some of the worst battles, like the Battle of Verdun and the Battle of the Somme, resulted in hundreds of thousands of casualties. Overall, more than 8.5 million soldiers died in the war and twenty-one million were wounded.