When more children were born families needed more room. They made a cooking room which was used for eating, sleeping, cooking, working. It didn't make any difference how big the house was.
One kind of house was called a saltbox house. It was made out of wood. Salt was kept in it. Today people still call this kind of house a saltbox house.
Paul Revere's house was a snug, wooden house built around a huge chimney. He lived in Boston. His house is still there.
