Trump to Finalize Thailand–Cambodia Border Peace Deal During ASEAN Summit Visit

US President Donald Trump will sign a “Great Peace Deal” between Thailand and Cambodia in Malaysia ahead of the 47th ASEAN Summit 2025.
The agreement, mediated by the United States and Malaysia, aims to permanently end the decades-long border dispute between the two Southeast Asian countries.
This peace deal marks a major step toward regional stability and cooperation in Southeast Asia.

Trump to Finalize Thailand–Cambodia Border Peace Deal During ASEAN Summit Visit

Key Points

US President Donald Trump announced that he will sign a peace agreement between Thailand and Cambodia after arriving in Kuala Lumpur, Malaysia, on Sunday.
The signing ceremony will take place just before the 47th ASEAN Summit begins.
The deal aims to end long-standing territorial disputes along the Thailand–Cambodia border.
The agreement was mediated by the US and Malaysia, following months of negotiations and a July 2025 ceasefire.
The Malaysian Prime Minister Anwar Ibrahim and other ASEAN leaders will attend the signing event.
Trump will also hold bilateral talks with Chinese President Xi Jinping during his visit.
In his statement from Air Force One, Trump expressed condolences for the death of Thailand’s Queen Mother and called the deal “a new chapter for peace in Southeast Asia.”

Background: The Thailand–Cambodia Border Dispute

The two countries share an 800-kilometre-long border with overlapping claims.
Major areas of conflict include the Preah Vihear and Prasat Ta Muen Thom temple regions.
Border clashes have occurred many times, most notably in 2011, which left at least 16 people dead.
The International Court of Justice (ICJ) had previously ruled in favour of Cambodia over parts of the disputed territory, but tensions continued.

Recent Developments and Ceasefire Efforts

In July 2025, new fighting broke out, leading to civilian evacuations and border closures.
Malaysia mediated a ceasefire agreement, which has remained in effect since late July.
ASEAN observers have been monitoring the border to ensure peace.
On October 23, 2025, both countries met at Chanthaburi, Thailand, and agreed to:
- Replace 15 old boundary pillars
- Speed up land demarcation through a Joint Technical Survey Committee
- Maintain open communication channels to prevent future clashes

Exam-Oriented Facts

The Thailand–Cambodia Peace Deal will be signed in Malaysia before the 47th ASEAN Summit.
The United States and Malaysia acted as mediators in this agreement.
Disputed sites: Preah Vihear Temple and Ta Muen Thom Temple.
The July 2025 ceasefire between the two nations was monitored by Malaysia.
The peace deal aims to promote regional cooperation and trade in Southeast Asia.

Regional Impact and Future Outlook

The peace deal is being hailed as a major diplomatic success for ASEAN and its partners.
Both Thailand and Cambodia have praised the talks for being friendly and productive.
Experts believe the agreement could:
- Boost cross-border trade and tourism
- Encourage joint cultural and security projects
- Strengthen ASEAN’s credibility as a peacekeeping organisation in the region

Question & Answer

Q1. Where will the Thailand–Cambodia Peace Deal be signed?
(a) Bangkok
(b) Phnom Penh
(c) Kuala Lumpur
(d) Jakarta
Answer: Kuala Lumpur

Q2. Which two countries are involved in the Peace Deal mediated by the US and Malaysia?
(a) Thailand and Laos
(b) Thailand and Cambodia
(c) Cambodia and Vietnam
(d) Malaysia and Indonesia
Answer: Thailand and Cambodia

Q3. What is the main focus of the Thailand–Cambodia Peace Deal?
(a) Trade agreement
(b) Border dispute settlement
(c) Military cooperation
(d) Climate change partnership
Answer: Border dispute settlement

Q4. Which temples are part of the disputed border area?
(a) Angkor Wat and Borobudur
(b) Ta Muen Thom and Preah Vihear
(c) Shwedagon and Pha That Luang
(d) None of the above
Answer: Ta Muen Thom and Preah Vihear

Q5. Who is mediating the Thailand–Cambodia Peace Deal?
(a) United Nations
(b) ASEAN only
(c) United States and Malaysia
(d) India and China
Answer: United States and Malaysia

Q6. When did the last major clashes between Thailand and Cambodia occur before this peace deal?
(a) 2008
(b) 2011
(c) 2015
(d) 2020
Answer: 2011

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