The correct answer to this open question is the following.
Although there are no options attached we can say the following.
The advantages and disadvantages of the General Maritime Treaty 1820 to the trucial states were the following.
Advantages.
Practically eliminated piracy in the region. Prates had to found another thing to do because piracy was severely punished. The coast of the Gulf became a safer sea to navigate. Foreign ships started to return to the Gulf once they felt this was a more safe place to trade. Another important point was that slavery was banned.
Disadvantages.
Great Britain gained more power and access to dominant trade in the region. Fortifications or Forts in the coastal zones were forbidden. The English took advantage of this decision.
In January 1820, the General Maritime Treaty was signed by the government of the United Kingdom and important Arab rulers like Umm al-Quwain, Abu Dhabi, and Ras AlKhaimak.
