Which of these served to "level" members of society as a result of the Hundred Years' War?

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The longbows allowed common foot soldiers to defeat armored knights, which had previously been the dominant force on the battlefield. The use of cannons also weakened the power of fortifications and castles, which had previously protected the wealthy and powerful. As a result, both of these technologies contributed to a leveling of society, allowing for greater social mobility and political change.

Which of These Served to "Level" Members of Society as a Result