This type of land, in all likelihood, was far less closely integrated into the system of the sultanate than the other three types.
Control of long-distance trade was also an important source of power for both sultanates.
For historians of the sultanate in particular, this volume will serve as a means to map the contours of a rapidly expanding eld of study.
Around 1750, the land in the sultanate was classified into four types.
Another problem is that they do not pay heed to the local situation in the sultanate.
After that war we first made it a protectorate, then a sultanate and next we granted it the status of a kingdom which brought self-rule.
The sultanate has enjoyed full internal self-government since 1971.
The traditional institutions of sultanates in the peninsula survived the colonization, and were incorporated into the blueprints of the modern state in 1948.
