<P> While the voluntary settlers were mostly British, some had brought Africans as laborers; most were enslaved . In the ensuing years, the settlers imported and purchased more slaves to develop plantations in the lowland areas, and the African proportion of the population rose rapidly . A colony at New Bern was composed of Swiss and German settlers . In the late eighteenth century, more German immigrants migrated south after entry into Pennsylvania . </P> <P> By 1712, the term "North Carolina" was in common use . In 1728, the dividing line between North Carolina and Virginia was surveyed . In 1730, the population in North Carolina was 30,000 . By 1729, the Crown bought out seven of the eight original proprietors and made the region a royal colony . John Carteret, 2nd Earl Granville refused to sell; in 1744 he received rights to the vast Granville Tract, constituting the northern half of North Carolina . </P> <P> Bath, the oldest town in North Carolina, was the first nominal capital from 1705 until 1722, when Edenton took over the role, but the colony had no permanent institutions of government until their establishment in the new capital New Bern in 1743 . Raleigh became capital of North Carolina in 1792 . </P> <P> The colony grew rapidly from a population of 100,000 in 1752 to 200,000 in 1765 . By 1760, enslaved Africans constituted one - quarter of the population and were concentrated along the coast . </P>

Where did most of the new immigrants from 1815 to 1890 come from apex