Answer :
Final answer:
World War I incurred immense human and financial costs, with millions of lives lost and substantial economic burdens. The war resulted in significant mental trauma for many and led to advancements in technology rather than setbacks.
Explanation:
The costs of World War I were immense, encompassing both human lives and financial burdens. Approximately 9 million soldiers and 7 million civilians lost their lives during the war, leading to a significant human toll.
Financially, the war cost Allied nations over [tex]$125 billion, with the United States, Great Britain, France, and Russia bearing the brunt of the expenses. The Central Powers also incurred costs exceeding $[/tex]60 billion, primarily shouldered by Germany and Austria-Hungary.
Mental trauma was a widespread consequence of the war, impacting countless young individuals and leaving lasting psychological scars beyond the physical casualties. While technological advances were made, they were not set back several decades but rather propelled forward due to wartime innovations.
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