The document analyzes the 20-year war in Afghanistan and the outcomes of US involvement. It discusses the reasons for the initial US deployment after 9/11 and the differing strategies of Presidents Bush, Obama, Trump, and Biden. It outlines the Taliban's rise to power in the 1990s after the Soviet withdrawal and their harsh rule over Afghanistan from 1996-2001 based on strict Sharia law, especially repressive towards women. The rapid Taliban recapture of Afghanistan in 2021 after the US withdrawal is also summarized.