Why did President Clinton apologize while touring Rwanda in 1998?

In 1998, President Clinton apologized for the failure of the United States and other countries to act during the 1994 genocide in Rwanda. Around 800,000 people, mostly Tutsi, were killed. The apology addressed the lack of intervention, not U.S. troops killing people or threatening to invade, so the correct choice is C: the United States had failed to intervene when Tutsi people were killed.

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