Talking Peace, Digging Trenches: The Strategic Duplicity of Thailand’s Border Policy
Thai military fortifications have reportedly been built on occupied Cambodian territory in Banteay Meanchey province. Social media
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In international relations, bilateral mechanisms are designed to reduce tension, build trust and gradually resolve disputes. But what happens when one party uses the negotiating table not as a pathway to peace, but as a shield behind which it alters realities on the ground?
Recent developments along the Cambodia–Thailand border suggest that this question is no longer theoretical. The events of April 18 have forced Phnom Penh to confront a difficult possibility: that Thailand’s diplomatic engagement and its military activities are operating not in alignment, but in deliberate contradiction.
According to statements from Cambodian authorities, Thai military units carried out a series of unilateral activities across several sensitive frontier areas. These reportedly included bunker construction near the Chup Koki checkpoint, land-clearing operations in parts of Pursat province, resumed road development near Boundary Pillar No. 2 in Oddar Meanchey, and the establishment of an observation post in proximity to the Preah Vihear Temple—an area long fraught with historical and legal sensitivity.
Cambodia has formally protested these actions, arguing that they violate the spirit — and potentially the letter — of the 2000 and 2001 Memorandums of Understanding governing border demarcation and conduct. From Phnom Penh’s perspective, these are not isolated incidents of localised friction, but components of a broader and more troubling pattern.
Taken individually, such developments might be dismissed as routine tensions along a complex and historically contested border. Taken together — and occurring within months of renewed bilateral commitments — they suggest something more structured. On December 27, 2025, both countries concluded the 3rd Special General Border Committee meeting, publicly reaffirming their commitment to peaceful dispute resolution and mutual restraint.
Yet by April, reports indicate that physical alterations in contested areas were already underway.
This sequencing raises difficult but necessary questions. If diplomatic reaffirmations are followed so quickly by unilateral actions on the ground, what role are these bilateral mechanisms truly playing? Are they instruments of resolution — or instruments of delay?
Some observers in Phnom Penh increasingly interpret this dynamic as a form of “talk and take”: a strategy in
which formal dialogue proceeds in parallel with incremental changes to territorial realities. Under this interpretation, negotiations help stabilise the political environment and manage international perception, while actions on the ground gradually reshape the status quo in ways that may prove difficult to reverse.
Thailand, for its part, has characterised certain activities in border areas as defensive in nature. However, this framing is contested. Cambodian officials argue that defensive justifications lose credibility when construction and land modification occur in areas that remain disputed or are governed by standing bilateral agreements. The core issue is not merely intent, but location and process: actions taken unilaterally in sensitive zones risk undermining the very agreements designed to manage them.
At stake here is more than a series of border incidents. It is a question of credibility. Bilateral agreements — particularly those governing disputed territory — depend fundamentally on mutual confidence that commitments will be upheld not only in principle, but in practice. When one side perceives a gap between stated commitments and observable actions, that confidence erodes.
For Cambodia, this presents a strategic dilemma. Continued reliance on bilateral mechanisms is difficult to sustain if those mechanisms are seen as producing dialogue without enforcement. At the same time, abandoning them outright carries its own risks, including escalation and the loss of direct communication channels.
What is increasingly clear, however, is that the current approach may be insufficient. Formal protests, while necessary, do little on their own to alter behaviour if they are not accompanied by broader strategic adjustments. Phnom Penh may need to consider complementing bilateral engagement with a more diversified approach — one that places greater emphasis on documentation, transparency and international legal and diplomatic avenues.
This could include systematically compiling evidence of disputed activities, engaging multilateral forums where adherence to agreements carries greater scrutiny, and, if necessary, preparing for third-party adjudication mechanisms grounded in international law. Such steps would not replace bilateral dialogue, but they would rebalance it — introducing consequences and oversight where they are currently limited.
Ultimately, the durability of peace along the Cambodia–Thailand border depends not on the frequency of meetings, but on the consistency between words and actions. Agreements signed in conference rooms must be reflected in conduct on the ground. When that alignment breaks down, dialogue risks becoming performative rather than substantive.
If bilateralism is to remain a viable path forward, it must be rooted in good faith and verifiable restraint. Otherwise, it risks becoming precisely what it was designed to prevent: not a bridge to resolution, but a cover for continued contestation.
Panhavuth Long is founder and attorney at law at Pan & Associates Lawfirm. The views and opinions expressed are his own.
