関連ワード:  why was the battle of yorktown so important    why was the siege of yorktown so important    why was the battle of yorktown so significant    why was the battle of yorktown important to american history    why was the battle of yorktown so significant to the american revolution    why was the battle of yorktown in 1781 so significant    why were the battles of saratoga and yorktown so important    several reasons why the battle of yorktown was so important    why was the battle of yorktown an important battle of the revolutionary war    list two reasons why the battle of yorktown was so important  
結果 : why was the battle of yorktown so important