Highlands - population growth from the late 18th century
1. Population increase =land was divided and subdivided
2. Each generation, got less and less land =poverty
3. Crofters could not afford the rent - this led to reduced income for landowners
4. Poor quality of housing and limited diet
5. Blackhouses (West Highlands) were rough stone and turf, with heather thatch roof, without a ceiling or paved floor, and no windows or chimney
6. Animals shared the building with the humans to keep warm