2017–2021Republican

Trump

9 conflicts · $110.9B total war cost · 55 US deaths

$110.9B

War Cost

55

US Deaths

9

Conflicts

$3422B

Military Budget (Total $B)

1

Authorized by Congress

9

No Authorization

198,650

Civilian Deaths

📖 War Record Analysis

Donald Trump promised to end "endless wars" but sent more troops to the Middle East, dramatically escalated drone strikes while reducing transparency, assassinated Iranian General Soleimani (risking full-scale war), and negotiated the Afghanistan withdrawal deal. His withdrawal from the Iran nuclear deal set the stage for the current confrontation. Trump's presidency showed that anti-interventionist rhetoric doesn't necessarily produce anti-interventionist policy.

🗣️ On War & Military Power

Great nations do not fight endless wars.

Donald Trump, State of the Union Address (2019)

📊 Military Spending During Presidency

Military Spending by Year (Billions)

Total military spending during Trump's tenure: $3422B. Average: $684B/year. Spending increased over the course of the presidency.

⚖️ Constitutional Authority

Trump had authorization for 1 conflict but conducted 9 without it — a mixed constitutional record.

Unauthorized conflicts:

Somalia InterventionUN peacekeeping mission. Executive action by Bush and Clinton.

Global War on Terror (Other Operations)All conducted under the 2001 AUMF — a 60-word authorization written in 3 days that has been used to justify military operations in at least 22 countries.

Global Drone CampaignJustified under 2001 AUMF. No specific authorization for most target countries.

Somalia (AFRICOM Operations)Conducted under 2001 AUMF — stretched to cover al-Shabaab despite no connection to 9/11.

Niger & Sahel OperationsConducted under 2001 AUMF. Most Americans unaware US troops were in Niger until the 2017 ambush.

Syrian Civil War InterventionJustified under 2001 AUMF — written to target al-Qaeda, applied to ISIS 13 years later.

War Against ISISObama used 2001 AUMF (designed for 9/11 attackers) to justify war against ISIS — a group that didn't exist in 2001 and was actually fighting al-Qaeda.

Yemen War (Saudi Support)No congressional authorization. Congress voted to end support in 2019; Trump vetoed. Biden pledged to end but continued.

Iran Strikes (2026)No congressional authorization sought. Trump cited executive authority. Bipartisan concerns about escalation.

⚔️ Conflicts Under Trump

🗽 The Libertarian Assessment

Trump involved the nation in 9 military conflicts, at a cost of $110.9B. 9 of these lacked congressional authorization. The question libertarians must always ask: were these conflicts truly necessary for the defense of American liberty?