The statement that best describes the outcome of the Boxer Rebellion is:
While some reforms were made after the Boxer Rebellion, the Qing Dynasty was weakened enough to collapse within 20 years.
This reflects the reality that the Boxer Rebellion (1899-1901) resulted in severe repercussions for the Qing Dynasty, leading to increased foreign influence and intervention, and ultimately contributing to the dynasty's decline and eventual collapse in 1911.