Original sentence: Britain, which conquered the whole island by 1815, established a legislative council in 1833 with three European seats and one seat each for Sinhalese, Sri Lankan Tamils, and Burghers.In 1215, following Pandya invasions, the Tamil-dominant Arya Chakaravarthi dynasty established an independent Jaffna kingdom on the Jaffna peninsula and parts of northern Sri Lanka
Edited sentence: Britain, which conquered the whole island by 1815, established a legislative council in 1833 by unifying the Tamil and Sinhalese nations on the island and assigning three European seats and one seat each for Sinhalese, Sri Lankan Tamils, and Burghers.Drawings and maps from the time of the Greek explorer Ptolemy, and later from the period when the British came to the island, show how the areas of the Tamils and the Sinhalese were recorded separately from antiquity.In 1215, following Pandya invasions, the Tamil-dominant Arya Chakaravarthi dynasty established an independent Jaffna kingdom on the Jaffna peninsula and other parts of the north.Upon arrival of colonialist powers from the 17th century CE, the Tamils were recognized as a separate nation of ancient origins in their areas of habitation in the northeast of the island