William mckinly was the president
D
Explanation:
During the wars most men had to leave for war and the women stayed home. Since women needed money and the jobs needed workers the women start working.
The statement that best completes the diagram is Salah ad-Din orders an invasion of western Europe.
<h3>What caused the Third Crusade ending in failure?</h3>
The failure was caused because the King Richard's forces were divided on how to defeat Salah ad-Din and forced to return to Europe.
Hence, the statement that best completes the diagram is Salah ad-Din orders an invasion of western Europe.
Therefore, the Option D is correct.
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