Complex sentence: Within months, government overspending had led to the accumulation of an unmanageable debt which led to economic and social unrest, and in 1872, Thurston approached the British government, at Cakobau's request, with offer to cede the islands to the United Kingdom.
Split into simpler sentences: Within months, government overspending had led to the accumulation of an unmanageable debt which led to economic and social unrest. In 1872, Thurston approached the British government, at Cakobau's request, with offer to cede the islands to the United Kingdom.