Complex sentence: During the eighteenth century Han Chinese farmed 500,000 hectares of privately owned land in Manchuria and 203,583 hectares of lands which were part of coutrier stations, noble estates, and Banner lands, in garrisons and towns in Manchuria Han Chinese made up 80% of the population.
Split into simpler sentences: During the eighteenth century Han Chinese farmed 500,000 hectares of privately owned land in Manchuria and 203,583 hectares of lands that were part of courrier stations, noble estates, and Banner lands. In garrisons and towns in Manchuria Han Chinese made up 80% of the population.