Multiple choice

Before World War I, how long had Europe experienced peace?

  1. 20 years

  2. 30 years

  3. 40 years

  4. 50 years
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The period between the end of the Napoleonic Wars (1815) and the start of World War I (1914) is often characterized as a time of relative peace among major European powers, lasting roughly 40 to 100 years depending on the specific conflict scope, but 40 years is the standard textbook answer for this specific question context.

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