Apakah kandungan protokol sempadan perjanjian bangkok bangkok 1909?

The Bangkok treaty of 1901 contains the agreement between Britain and Bangkok to build a railways between Siam and Malayan. Britain was ready to loan a value of 4 Million pound with an interest of 4%.

Also according to the agreement Siam has given the control of four states Kedah, Kelantan, Trengganu and Perlis to Britain. The debts of these four states were borne by Britain. Even financial advisory by Britain did not improve these states. This treaty created a better Siamese and Britain relationship.