
Past U.S. presidents have frequently ordered military attacks on other countries, often bypassing formal Congressional declarations of war by using authorized force against terrorism or specific regimes.
Major actions include George W. Bush (Iraq, Afghanistan), Barack Obama (Libya, Syria), Donald Trump (Iraq, Syria, Yemen), and others involving drone strikes, special ops, or regime change interventions
• George W. Bush (2001–2009): Initiated the "War on Terror" following 9/11, leading to the invasions of Afghanistan (2001) and Iraq (2003).
• Barack Obama (2009–2017): Utilized drone strikes extensively and authorized military intervention in Libya (2011), along with fighting the Islamic State in Syria and Iraq.
Joe Biden (2021–2025): Carried out strikes on Houthi rebels in Yemen and targeted groups in Syria.
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