He was criticised for the UN 's failure to act during the 1994 Rwandan Genocide , which officially left about 937,000 people dead , and he appeared unable to muster support in the UN for intervention in the continuing Angolan Civil War . However , he was criticised for the UN 's failure to act during the 1994 Rwandan Genocide , which officially left over 1 million people dead , and he appeared unable to muster support in the UN for intervention in the continuing Angolan Civil War .