Question: Because of what Islamic terrorist group attacks killed 2,996 people, injured over 6,000 others, and caused at least $10 billion in infrastructure and property damage has the United States government has carried out drone strikes ?
Sentence (from "Civilian casualties from U.S. drone strikes"): Since the September 11 attacks, the United States government has carried out drone strikes in Pakistan (see drone strikes in Pakistan), Yemen (see drone strikes in Yemen), Somalia, Afghanistan, and Libya.
Relevant evidence: Yes