The answer is “who” referring to one person
Is this referencing the roaring twenties?
Answer:
His mother would have to return to her father house.
The correct answer here would be in rough waters.
This is a total opposite of the flat-bottom hulls and it really does excel in rough waters. It's all in the shape. It's "v" shaped acts as a sort of knife as it cuts through the waves which makes it a favorite shape for the offshore sportboats. They are though less suited for shallow water use.