Which two countries of south east Asia were involves in the conflict recently due to territorial dispute pertaining to ancient Khmer temples?

Cambodia and Thailand

The correct answer is option 4: Cambodia and Thailand

The main points of contention in their border dispute involve ancient Khmer temple complexes, especially the 11th-century Preah Vihear Temple (awarded to Cambodia by the International Court of Justice in 1962) and the Prasat Ta Muen Thom complex. The conflict, which had significant fighting in July 2025, is rooted in the ambiguous demarcation of their shared border established by French colonial-era maps.