Original: 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.
Simplified: 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.