Many feudatory states paid tribute to the Kangleipak kingdom in the form of:

The correct answer is: d) All of the above.

Many feudatory states paid tribute to the Kangleipak kingdom in the form of military service, agricultural produce, and handicrafts.

• Military service: The Kangleipak kingdom was a powerful military power, and many feudatory states paid tribute to the kingdom by providing military service. This included providing soldiers to fight in the Kangleipak army, as well as providing supplies and equipment to the army.
• Agricultural produce: The Kangleipak kingdom was also a major agricultural producer, and many feudatory states paid tribute to the kingdom by providing agricultural produce. This included rice, vegetables, fruits, and other crops.
• Handicrafts: The Kangleipak kingdom was also a major producer of handicrafts, and many feudatory states paid tribute to the kingdom by providing handicrafts. This included textiles, pottery, metalwork, and other items.

The Kangleipak kingdom was a powerful and wealthy kingdom, and the tribute that it received from its feudatory states helped to maintain its power and wealth.