Why would the people of Siam not like the treaty provision that allowed the British to remain outside the law of Siam?

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.

explanation:

what are the statements? are there any examples?